The Grade is not stored in the user's learning history even if the Score is recorded successfully in the LMS system when viewed as an admin.
The setting "Record learning event when content/quiz/exam passed" is unchecked at the content object level
1) At the conten object level of an item/course please make sure the setting "Record learning event when content/quiz/exam passed" is enabled and if not, please enable, save and propagate the changes(re-assign) it to the users.
2) Also make sure the setting, "Record learning event when all content is complete" is also checked.
Reason : The Grade is handled specifically by the setting at the content object level(there can be multiple SCOs linked to the item) and not the item level(overall score)
PS : Modifying this now will not enable the Grade for the users who had completed it already but will only enable for the future learning completions.
KBA , LOD-SF-LMS , SuccessFactors Learning , Problem