SAP Message AJ258 - Enter a value that is not season-based for operand &1

Diagnosis
You attempted to create values for a season for operand &v1&. However,a replacement value without season information hasbeen defined for operand &v1&. As a result, you cannot createseason-specific values for this operand.

Procedure
Create values for operand &v1& that are not season-specific, or definethe replacement value with season specification for the operand in thefacts of the rate category.