SAP Message 1I026 - Complete key for GL account assignment (&1, &2, &3, &4)

Diagnosis
For general ledger account assignment with general ledger group &V1&',account currency '&V2&', general ledger transaction '&V3&', additionalkey '&V4&', the key is incomplete.
Only the back parts of the key can remain unspecified. For example, ifyou enter the general ledger transaction you must also enter theaccount currency and the general ledger group.

Procedure
Enter the missing values.