SAP Message /SAPMP/PUR017 - Length characteristic &1 is not a multiple of &2

Diagnosis
The order quantity must be a multiple of the characteristic &V1&(factor * individual length). For this item, that is not the case.
&HINT&
For example, you create an order item for a length-based material withthe following characteristics:
Factor:,,10
Individual length:,,100 m
The order quantity is 100 m in this example.

Procedure
Check the values for the characteristics factor andindividual length in the characteristic valuation screen.