Diagnosis
You have marked the 'Do not generate FL automatically' checkbox.

System Response
According to system settings, a functional location is to be created inPlant Maintenance and assigned to the business entity. You can overridethis setting by marking this checkbox. The functional location remainson the database, but the assignment to the business entity is deleted.

Procedure
If you have accidentally marked this checkbox, delete it. Theassignment will then automatically take place again.