Diagnosis
You called transaction SPUMG but it cannot be executed in its currentstatus.
Reason: According to the status table UM4STATUS you are currentlyconducting a CU<(>&<)>UC conversion. As one of the last preparationsteps you have to execute report &V1&. Currently not all steps arefinished.

Procedure
Make sure that you finish all steps of the report &V1& first. After thatSPUMG can be executed again.

Procedure for System Administration
In case you have to execute transaction SPUMG you can use the followingworkaround to unlock SPUMG:
Execute transaction SE24 (class builder)
Enter class CL_UMG_INFO and execute the class (F8)
Confirm the popup asking for generic data types
On the next screen execute method EXPORT_HW_TIMESTAMP using the currentdate and time as input parameters
Execute method EXPORT_FIRST_CUUC_STEP using the current date and time asinput parameters.
After execution of the methods you can execute transaction SPUMG.