SAP Message CC200 - System status: the object cannot be processed yet

Diagnosis
You want to process a change object with reference to an ECO.

System Response
The system checks the system status of the change object in the ECO.

Procedure
The following two processing situations are possible:
RESET N1
Current system status,,,,,,Set this system status
for object is ...,,,,,,for object ...
Complete change,,,,,,Change contains errors
Current system status,,,,,,Set this system status
for object is ...,,,,,,for ...
Change not required,,,,,,Object: Change possible
,,,,,,Order: Order incomplete
,,,,,,Order: Order complete
Change ECO