SAP Message 29126 - G/L account & not defined in company code & (plant &)

Diagnosis
You want to enter G/L account &V1& for the non-stock item.
The system determines the valuation area on the base of the plantentered on the initial screen. A valuation area corresponds either toone plant or to all the plants in a company code.
If the BOM (variant or alternative) is allocated to more than oneplant, the system checks the G/L account for all the plants.
The G/L account entered is not maintained in the determined companycode.

Procedure
Contact the department responsible for maintaining G/L accounts.