Users may receive the error: Data could not be saved. The UPDATE statement conflicted with the CHECK constraint "CK_Prospect_ValidManagerStartDate". The conflict occurred in database <Database Name>, table "dbo.PROSPECT"
This may occur when using the 'Assign prospect manager' task to assign a prospect manager to a research group, or when merging specific constituent records.
Download and install the latest version and patch, if applicable.
If the issue is still unresolved, Contact Support and reference this article.