Moodle error

[Martin Jones]

Hi all

This is Numbas running in Moodle. Some of my students do not have any problems, and others are seeing errors like this coming up. In those cases, the only way to resolve it is to delete their attempt and let them start again.

Any suggestions?

Thank you.

[Christian Lawson-Perfect]

Can you give me a link to the exam, please?

I don't think this problem is specific to Moodle.

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[Martin Jones]

The exam is https://numbas.mathcentre.ac.uk/exam/26672/st41-trig-revision 

Some further feedback on the error:

Numbas Error: Part b gap 0: Can't automatically convert from name to decimal.

Numbas Error: Part b gap 0: Can't automatically convert from name to decimal.
at new Numbas.Error (https://moodle.stc.ac.uk/pluginfile.php/310398/mod_scorm/content/1/scripts.js:78:13)
at c.error (https://moodle.stc.ac.uk/pluginfile.php/310398/mod_scorm/content/1/scripts.js:33179:15)
at c.finaliseLoad (https://moodle.stc.ac.uk/pluginfile.php/310398/mod_scorm/content/1/scripts.js:37447:18)
at c [as finaliseLoad] (https://moodle.stc.ac.uk/pluginfile.php/310398/mod_scorm/content/1/scripts.js:43254:15)
at Numbas.createPartFromXML (https://moodle.stc.ac.uk/pluginfile.php/310398/mod_scorm/content/1/scripts.js:32505:14)
at c.loadFromXML (https://moodle.stc.ac.uk/pluginfile.php/310398/mod_scorm/content/1/scripts.js:35101:30)
at c [as loadFromXML] (https://moodle.stc.ac.uk/pluginfile.php/310398/mod_scorm/content/1/scripts.js:43254:15)
at Numbas.createPartFromXML (https://moodle.stc.ac.uk/pluginfile.php/310398/mod_scorm/content/1/scripts.js:32504:14)
at https://moodle.stc.ac.uk/pluginfile.php/310398/mod_scorm/content/1/scripts.js:38778:43
at https://moodle.stc.ac.uk/pluginfile.php/310398/mod_scorm/content/1/scripts.js:41154:38

I assumed it was a problem with Moodle because it is happening on other exams as well sometimes, but sometimes it runs perfectly.

The other problem I'm having (probably unrelated) is that the jsxgraph graphs sometime fail to load for students.

Martin

[Christian Lawson-Perfect]

Thanks. I've uploaded that to my Moodle test server and started over 30 attempts, both in Firefox and Chrome, with no problem.

That error message seems familiar, so this might be a bug that has been fixed since you downloaded the package. Can you send the exam package to me at christia...@ncl.ac.uk please, so I can test with the exact version you've got?

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