Diagnosis
Generation was prevented through an object.
Generation cannot be executed at present. Owners of objects that needto be generated can register in the generation process and preventgeneration from being executed during certain system constellations.

System Response
Selected action cannot be executed.

Procedure
For information only. You can find a detailed description of theproblem in the log above. There, you should find a message from theowner whose object prevented the generation. If this message does notexist, inform your responsible support organization.

Procedure for System Administration
Restore the system back into a state in which generation can beexecuted. If the transport request was not successful, import it again.