SAP Message WW602 - The assignment of object & to level & does not exist

Diagnosis
The assignment does not exist in the classification system or isdifferent.

System Response
The status for this object is set to "Checked with errors". This objectcannot be reclassified until the error has been eliminated.

Procedure
Check and correct the assignment if necessary. Then perform thereclassification check for this version or object again afterwards.
If this does not solve the problem, please contact your systemadministrator.