AX 2012 TFS: Solving update conflicted FK_ModelElementData_HasModelId_LayerId and XU_Update error with SQL profiler

When using AX 2012 with TFS, sometimes you'll get a cryptic error during a TFS synchronization like this:

SQL error description: [Microsoft][SQL Server Native Client 10.0][SQL Server]The UPDATE statement conflicted with the FOREIGN KEY constraint "FK_ModelElementData_HasModelId_LayerId". The conflict occurred in database "Dev5_AX2012_model", table "dbo.Model".
SQL statement: { CALL [Dev5_AX2012_model].[dbo].[XU_Update](?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?) }
Cannot execute a stored procedure.

Solution : Restart the AOS Services.