Some users are experiencing an issue when trying to complete some activities (like RFRIs or TREQs) when an an Offender Employer already exists on the profile. Here is Appriss explanation:
When changing the employer of an offender with an existing employer there is an error. It is still possible to add employment to an offender without employment listed.
Appriss is working on a hotfix to address the problem as quickly as possible.