SAP Message AJ071 - Price &4 is not an average price

Diagnosis
Operand &v1& is used as output operand in rate &v2& (program &v3&).This is a price operand (operand category: QPRICE or TPRICE). Price keyV4 was specified for this operand in the installation facts, but thisis not an average price.

Procedure
Specify a price key in the installation facts for this operand. Thecorresponding price of the price key must be an average price.