Course Completion Error in LMS

I have a course that has: Modify Variable/ AICC_Lesson_Status/Set Variable Contents-->Completed as the primary action on the exit button on the last page of the course. The button has a subordinate action for exit title/ close window, with a one second delay. This course is an orientation and has no graded test. Lectora successfully published the course, with no errors, to SCORM 1.2 compliance. In my LMS (learn.com), the course is not registering as completed. It continues to show as in progress. I am also getting a Microsoft Explorer error dialogue box "LMSSetValueError=IncorrectDataType".Any thoughts or suggestions?

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