You can complete a collaboration only if you release the revision

What causes this issue?

You want to to complete an ongoing collaboration with a supplier without
releasing the revision of the corresponding compliance data requirement.

System Response

Current action is cancelled.

How to fix this error?

Also release the revision of compliance data requirement.

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

Error message extract from SAP system. Copyright SAP SE.