- Parallel subaccesses ended; serial accesses exist

What causes this issue?

All subaccesses that can be processed in parallel are processed. Some
subaccesses to be processed sequentially remain. This is described in
the documentation on processing queries under <ZK>Partial Parallel
Processing</>.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.