No active WWI server was found for generating the document &1

What causes this issue?

One or more generation servers (WWI servers) were found for the
following criteria in Customizing:
Destination type = &V2&
Destination = &V3&
Printer type = &V4&
The generation servers were, however, not active when the system tried
to assign the generation job.

System Response

INCLUDE EHS_BD_NO_GENERATION OBJECT DOKU ID TX
The generation job was set to status <LS>waiting</>. The system will try
to assign the generation job to a generation server the next time the
dispatcher for the generation jobs is run.

How to fix this error?

INCLUDE EHS_NA_ADMIN OBJECT DOKU ID TX

Procedure for System Administrators

Check the inactive generation servers.
<ZH>Notes:</>
Inactive generation servers can be set back to status <LS>active</>. To
do this, in the menu choose <LS>Basic Data and Tools</> -> <LS>Tools</>
-> <LS>WWI Monitor</> -> <LS>Utilities</> -> <LS>Activate Server</>.
You can trigger the dispatch process manually by positioning the cursor
on the line for the dispatcher in the WWI monitor and executing the
<LS>Activate Server</> function.

Error message extract from SAP system. Copyright SAP SE.