Profit center determination in service orders

Hi experts.

We are configuring the process "Corrective Service with Advanced Execution" (6AU). Every clip we adhd a merchandise successful a work bid the mistake "No nett halfway tin beryllium derived" appears, nary substance what work merchandise is added:

The substitution regularisation for CRM is already set:

The worldly has a nett halfway successful the maestro information and the work enactment besides has a outgo halfway assing:

But the nett halfway determination is failing. Has anyone had this error? What is the mode to lick it. Thanks successful advance.

Best regards.

David Avila.