SAP Message >0319 - Formal error: More than 12 key fields in line layout variant &1

Diagnosis
You entered more fields than are permitted for the line layout variantV1. you can enter up to 12 fields prior to the first amount field andcurrency field.

System Response
Program termination

Procedure for System Administration
Change the definition of line layout variant V1& such that there are nomore than 12 fields before the amount field. Check whether you havekept to this limit for all your other line layout variants.
INCLUDE FICA_NA_F5 OBJECT DOKU ID TX