SAP Message AJ180 - Output operand &1 in step &2 does not correspond to deletion operand &3

Diagnosis
You use operand &v1& as an output operand in schema step &v2&.Therefore, this step updates the deletion variant of step &v4&.
You specified a different operand (&v3&) as thedeletion operand or you did not specify a deletionoperand at all. This is not permitted.

System Response
The schema is not consistent and cannot be saved.

Procedure
Please use operand &v3& as the deletion operand in step &v2&, or leavethe field blank.