A new hotfix pertaining to Analytics for Learn v 4.1.2 through 4.3.3 was announced in Behind the Blackboard today:
Blackboard is pleased to announce the availability of Hotfix 158 for Analytics for Learn to address an issue with insufficient length of fact tables surrogate keys datatype. The hotfix changes datatype from INT to BIGINT. This hotfix applies to Analytics for Learn versions 4.1.2 through 4.3.3.
For details, please find the article linked here: Behind the Blackboard.