存储更新，插入或删除语句影响了意外的行数（0）

I'm working on an application for insurance requests. When I log in as CommitteeMember and try to Edit a request(editing only its status to "approved" for ex) I get this error: Store update, insert, or delete statement affected an unexpected number of rows (0). Entities may have been modified or deleted since entities were loaded.I'm working on an application for insurance req