Prices proposed from reference material; however, price units differ

What causes this issue?

You are extending the material using a reference material. The price
has been copied from the reference material. However, the material you
are extending and the reference material have different values for the
price unit.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check whether the prices and the price unit have the required values.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.