SCORM courses hold data about a user's progression . When a SCORM course and when it loads, it validates this data against the imsmanifest.xml file. If the data does not match it causes an error will occur. For For example, if you originally had 14 slides in a SCORM course and you remove 1 slide, the data will no longer match, as the expectation is, there are 14 slides in the SCORM course.
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