SAP Message RQ166 - Only value "2" is permitted in restriction to G/L accounts

Diagnosis
If you want to restrict the planning setup to G/L accounts, "2" is theonly possible value here because this program can only process G/Laccounts with OI management.
Program RFFUEB00 covers G/L accounts which do not have OI management.

Procedure
Revove the restriction or enter "2".