G/L account cannot be used (please correct)

Hi all,

While creating PO for service with item category D and account assignment category K, system has throwed this error. The G/L account got triggered automatically from OBYC settings maintained in GBB. What would be the reason for this error?? please guide me to resolve this problem.

G/L account cannot be used (please correct)

Message no. ME045

Diagnosis

Comparison of the field selection strings from the G/L account and the account assignment category reveals that there is an incompatible combination of field selections for the field selection group ''.

The G/L account field selection is stored in table T004F; that for the account assignment is stored in table T162K.

Procedure

Please enter a correct G/L account.

thanks in advance