SAP Message ME492 - Please check release classes (see long text)

Diagnosis
Here you can assign release groups to release classes. Only one releaseclass should be used within the release groups for overall release andthe release groups without overall release in each case. However, inthis instance several release classes have been used.

Procedure
Assign the release groups that were created for overall release to onerelease class only. Assign the release groups that were not created foroverall release to a different release class.
Example:
Rel. group,,Rel. obj.,,Overall rel.,, Class ,, Description
01,,1,,_,, FRG_EBAN,, Group 01
02,,1,,_,, FRG_EBAN,, Group 02
S1,,1,,X,, FRG_GF_EBAN,, Group S1
S2,,1,,X,, FRG_GF_EBAN,, Group S2