Diagnosis
You are trying to change the standard contract of a commission contract,however you are using a different procedure than the one recommended bySAP.

Procedure
1. Enter a contract number.
2. Enter the change reason.
3. Correct the validity dates, if necessary.
4. Press @38@.
The values of the last active version are displayed.
5. Overwrite the current standard contract number that is displayed.
6. Choose @2K@.
Your standard contract change is transferred to contract processing.
In some cases you may receive a system message that not all agreementscould be copied over.