﻿<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"><channel><title>Millisecond Forums » Millisecond Forums » Inquisit 6  » Meaning of error iqkey.cpp</title><generator>InstantForum 2017-1 Final</generator><description>Millisecond Forums</description><link>https://forums.millisecond.com/</link><webMaster>Millisecond Forums</webMaster><lastBuildDate>Mon, 03 Aug 2026 20:12:13 GMT</lastBuildDate><ttl>20</ttl><item><title>RE: Meaning of error iqkey.cpp</title><link>https://forums.millisecond.com/Topic31720.aspx</link><description>&lt;blockquote data-id="31719" class="if-quote-wrapper" unselectable="on" data-guid="1623845099079" id="if_insertedNode_1623845098068" contenteditable="false"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="31719" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="31719" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="31719" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;Dave - 6/16/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-31719"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;&lt;blockquote data-id="31718" class="if-quote-wrapper" unselectable="on" data-guid="1623845099079" id="if_insertedNode_1623844387764" contenteditable="false"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="31718" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="31718" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="31718" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;Julian_Bas - 6/16/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-31718"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;I recently ran a study through Inquisit Web that repeatedly threw up an error across many participants (110/127 participants). The error report was as follows:&lt;br/&gt;&lt;br/&gt;&lt;i&gt;"Error&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0. experiment_script - online.iqx&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;Unknown system error. Line 344, File iqkey.cpp".&lt;/i&gt;&lt;br/&gt;The error log for the study assigns this error a code &lt;i&gt;"46".&lt;/i&gt;&lt;br/&gt;&lt;br/&gt;&lt;i&gt;0. experiment_script - online.iqx&lt;/i&gt; is a batch script used to run a series of tasks in sequence.&lt;br/&gt;&lt;br/&gt;The data saved from most participants seems ok and not linked to the error code in any clear way.&lt;br/&gt;I also could not find any mention of this error or similar .cpp errors in the forums or documentation. So my questions are:&lt;br/&gt;&lt;br/&gt;1) What does this error reflect?&lt;br/&gt;2) What are the possible causes and outcomes of this error? Is the error something to be concerned about?&lt;br/&gt;3) Is there a place in the forums, documentation, or elsewhere that provides an index of Inquisit Web error codes and their meaning?&lt;br/&gt;&lt;br/&gt;Thank you very much! :)&lt;a class="if-quote-goto quote-link" href="#" data-id="31718"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;This error typically indicates an issue with /inputdeviice and /validresponse settings in your script, e.g. a trial or instruction navigation set to a keyboard key when the inputdevice is actually set to mouse (and hence a keyboard key is not valid input) or vice versa.&lt;br/&gt;&lt;br/&gt;For anything more specific, you will have to provide the script.&lt;a class="if-quote-goto quote-link" href="#" data-id="31719"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;Found the script(s). The issue is the /prevkey definition in two of your scripts &amp;lt;instruct&amp;gt; elements:&lt;br/&gt;&lt;br/&gt;&amp;lt;instruct&amp;gt;&lt;br/&gt;/ nextkey = (" ")&lt;br/&gt;&lt;strong&gt;/ prevkey = (0)&lt;/strong&gt;&lt;br/&gt;/ prevlabel = " "&lt;br/&gt;/ fontstyle = ("Calibri", 2.11%, false, false, false, false, 5, 1)&lt;br/&gt;&amp;lt;/instruct&amp;gt;&lt;br/&gt;&lt;br/&gt;is invalid, 0 is the code for "no response" and cannot serve as back navigation key for instruction pages. Fortunately, this mistake is not critical in this case and will not have adversely affected the scripts' behavior. To get rid of the error, remove the /prevkey attribute from the &amp;lt;instruct&amp;gt; element.&lt;br/&gt;</description><pubDate>Thu, 24 Jun 2021 13:25:15 GMT</pubDate><dc:creator>Dave</dc:creator></item><item><title>RE: Meaning of error iqkey.cpp</title><link>https://forums.millisecond.com/Topic31752.aspx</link><description>&lt;blockquote data-id="31720" class="if-quote-wrapper" unselectable="on" data-guid="1624540966044" contenteditable="false" id="if_insertedNode_1624540964278"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="31720" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="31720" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="31720" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;Dave - 6/16/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-31720"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;&lt;blockquote data-id="31719" class="if-quote-wrapper" unselectable="on" data-guid="1624540966044" id="if_insertedNode_1623845098068" contenteditable="false"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="31719" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="31719" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="31719" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;Dave - 6/16/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-31719"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;&lt;blockquote data-id="31718" class="if-quote-wrapper" unselectable="on" data-guid="1624540966044" id="if_insertedNode_1623844387764" contenteditable="false"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="31718" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="31718" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="31718" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;Julian_Bas - 6/16/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-31718"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;I recently ran a study through Inquisit Web that repeatedly threw up an error across many participants (110/127 participants). The error report was as follows:&lt;br/&gt;&lt;br/&gt;&lt;i&gt;"Error&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0. experiment_script - online.iqx&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;Unknown system error. Line 344, File iqkey.cpp".&lt;/i&gt;&lt;br/&gt;The error log for the study assigns this error a code &lt;i&gt;"46".&lt;/i&gt;&lt;br/&gt;&lt;br/&gt;&lt;i&gt;0. experiment_script - online.iqx&lt;/i&gt; is a batch script used to run a series of tasks in sequence.&lt;br/&gt;&lt;br/&gt;The data saved from most participants seems ok and not linked to the error code in any clear way.&lt;br/&gt;I also could not find any mention of this error or similar .cpp errors in the forums or documentation. So my questions are:&lt;br/&gt;&lt;br/&gt;1) What does this error reflect?&lt;br/&gt;2) What are the possible causes and outcomes of this error? Is the error something to be concerned about?&lt;br/&gt;3) Is there a place in the forums, documentation, or elsewhere that provides an index of Inquisit Web error codes and their meaning?&lt;br/&gt;&lt;br/&gt;Thank you very much! :)&lt;a class="if-quote-goto quote-link" href="#" data-id="31718"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;This error typically indicates an issue with /inputdeviice and /validresponse settings in your script, e.g. a trial or instruction navigation set to a keyboard key when the inputdevice is actually set to mouse (and hence a keyboard key is not valid input) or vice versa.&lt;br/&gt;&lt;br/&gt;For anything more specific, you will have to provide the script.&lt;a class="if-quote-goto quote-link" href="#" data-id="31719"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;Found the script(s). The issue is the /prevkey definition in two of you scripts &amp;lt;instruct&amp;gt; element:&lt;br/&gt;&lt;br/&gt;&amp;lt;instruct&amp;gt;&lt;br/&gt;/ nextkey = (" ")&lt;br/&gt;&lt;strong&gt;/ prevkey = (0)&lt;/strong&gt;&lt;br/&gt;/ prevlabel = " "&lt;br/&gt;/ fontstyle = ("Calibri", 2.11%, false, false, false, false, 5, 1)&lt;br/&gt;&amp;lt;/instruct&amp;gt;&lt;br/&gt;&lt;br/&gt;is invalid, 0 is the code for "no response" and cannot serve as back navigation key for instruction pages. Fortunately, this mistake is not critical in this case and will not have adversely affected the scripts' behavior. To get rid of the error, remove the /prevkey attribute from the &amp;lt;instruct&amp;gt; element.&lt;br/&gt;&lt;a class="if-quote-goto quote-link" href="#" data-id="31720"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;Hello Dave, &lt;br/&gt;&lt;br/&gt;Thank you very much for this informative response. &lt;br/&gt;It is nice to know now where this error came from, and also that it is not a concern for this study at least!&lt;br/&gt;&lt;br/&gt;Thanks again, and all best!</description><pubDate>Thu, 24 Jun 2021 13:24:01 GMT</pubDate><dc:creator>Julian_Bas</dc:creator></item><item><title>Meaning of error iqkey.cpp</title><link>https://forums.millisecond.com/Topic31718.aspx</link><description>I recently ran a study through Inquisit Web that repeatedly threw up an error across many participants (110/127 participants). The error report was as follows:&lt;br/&gt;&lt;br/&gt;&lt;i&gt;"Error&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0. experiment_script - online.iqx&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;Unknown system error. Line 344, File iqkey.cpp".&lt;/i&gt;&lt;br/&gt;The error log for the study assigns this error a code &lt;i&gt;"46".&lt;/i&gt;&lt;br/&gt;&lt;br/&gt;&lt;i&gt;0. experiment_script - online.iqx&lt;/i&gt; is a batch script used to run a series of tasks in sequence.&lt;br/&gt;&lt;br/&gt;The data saved from most participants seems ok and not linked to the error code in any clear way.&lt;br/&gt;I also could not find any mention of this error or similar .cpp errors in the forums or documentation. So my questions are:&lt;br/&gt;&lt;br/&gt;1) What does this error reflect?&lt;br/&gt;2) What are the possible causes and outcomes of this error? Is the error something to be concerned about?&lt;br/&gt;3) Is there a place in the forums, documentation, or elsewhere that provides an index of Inquisit Web error codes and their meaning?&lt;br/&gt;&lt;br/&gt;Thank you very much! :)</description><pubDate>Thu, 24 Jun 2021 13:24:01 GMT</pubDate><dc:creator>Julian_Bas</dc:creator></item><item><title>RE: Meaning of error iqkey.cpp</title><link>https://forums.millisecond.com/Topic31719.aspx</link><description>&lt;blockquote data-id="31718" class="if-quote-wrapper" unselectable="on" data-guid="1623844389488" id="if_insertedNode_1623844387764" contenteditable="false"&gt;&lt;a class="quote-para" unselectable="on" style="display: none;" href="#" data-id="31718" title="Move Cursor Below" contenteditable="false"&gt;&lt;span unselectable="on"&gt;+&lt;/span&gt;&lt;/a&gt;&lt;a class="quote-delete" unselectable="on" style="display: none;" href="#" data-id="31718" title="Delete Quote" contenteditable="false"&gt;&lt;span unselectable="on"&gt;x&lt;/span&gt;&lt;/a&gt;&lt;span unselectable="on" class="quote-markup"&gt;[quote]&lt;/span&gt;&lt;div unselectable="on" class="if-quote-header" contenteditable="false"&gt;&lt;div unselectable="on" class="if-quote-toggle-wrapper"&gt;&lt;a class="if-quote-toggle quote-link" href="#" data-id="31718" title=" "&gt;&amp;nbsp;&lt;/a&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[b]&lt;/span&gt;Julian_Bas - 6/16/2021&lt;span unselectable="on" class="quote-markup"&gt;[/b]&lt;/span&gt;&lt;/div&gt;&lt;div class="if-quote-message if-quote-message-31718"&gt;&lt;div class="if-quote-message-margin" contenteditable="true"&gt;I recently ran a study through Inquisit Web that repeatedly threw up an error across many participants (110/127 participants). The error report was as follows:&lt;br/&gt;&lt;br/&gt;&lt;i&gt;"Error&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;0. experiment_script - online.iqx&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;Unknown system error. Line 344, File iqkey.cpp".&lt;/i&gt;&lt;br/&gt;The error log for the study assigns this error a code &lt;i&gt;"46".&lt;/i&gt;&lt;br/&gt;&lt;br/&gt;&lt;i&gt;0. experiment_script - online.iqx&lt;/i&gt; is a batch script used to run a series of tasks in sequence.&lt;br/&gt;&lt;br/&gt;The data saved from most participants seems ok and not linked to the error code in any clear way.&lt;br/&gt;I also could not find any mention of this error or similar .cpp errors in the forums or documentation. So my questions are:&lt;br/&gt;&lt;br/&gt;1) What does this error reflect?&lt;br/&gt;2) What are the possible causes and outcomes of this error? Is the error something to be concerned about?&lt;br/&gt;3) Is there a place in the forums, documentation, or elsewhere that provides an index of Inquisit Web error codes and their meaning?&lt;br/&gt;&lt;br/&gt;Thank you very much! :)&lt;a class="if-quote-goto quote-link" href="#" data-id="31718"&gt;&lt;span class="goto"&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;&lt;/div&gt;&lt;span unselectable="on" class="quote-markup"&gt;[/quote]&lt;/span&gt;&lt;/blockquote&gt;&lt;br/&gt;This error typically indicates an issue with /inputdeviice and /validresponse settings in your script, e.g. a trial or instruction navigation set to a keyboard key when the inputdevice is actually set to mouse (and hence a keyboard key is not valid input) or vice versa.&lt;br/&gt;&lt;br/&gt;For anything more specific, you will have to provide the script.</description><pubDate>Wed, 16 Jun 2021 11:55:25 GMT</pubDate><dc:creator>Dave</dc:creator></item></channel></rss>