SAP Message /SAPCND/CUSTOMIZING764 - Field &1 in table &2 is initial for value &3 of &4

Diagnosis
Field &V1& in table &V2& is initial for value &V3& for field &V4&. Thisis not permitted.

System Response
No further processing is possible.

Procedure
Ensure that field &V1& in table &V2& is initial.