How To Fix UCT9016 - Unable to finish step &2 of workflow variant &1

SAP Error Message - Details

• Message type: E = Error

• Message class: UCT9 - Workflow Connection

• Message number: 016

• Message text: Unable to finish step &2 of workflow variant &1

What causes this issue?

The system was unable to complete the workflow variant step &V2& of
workflow variant &V1&.
The likely cause is a faulty implementation of BAdI <LS>Workflow for
Manual Postings </>. This error occurs in the following cases:
The method <AB>GET_STEP_AGENT</> in the BAdI returns approval agents,
all of which have already approved or discarded the workflow.
The method <AB>CHECK_IF_STEP_FINISHED</> in the BAdI returns the value
<AB>ABAP_FALSE</>.

System Response

The document is set to the status <LS>With Errors</>.

How to fix this error?

Examine your BAdI implementation. Afterwards, the person who submitted
the document can either resume the approval process for the document or
can discard the document.

Procedure for System Administrators

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.