&4 document flow links are missing for EWM document items

What causes this issue?

&V4& document flow links are missing, although the corresponding EWM
objects (warehouse tasks) exist in the system.

System Response

As a result, the document flow network of the process is not complete,
and therefore, some warehouse processes cannot be performed (for
example, goods issue).

How to fix this error?

Generate the missing document flow links. The complete list of missing
link records is attached to the message under <ZK>Details</>.

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.