Immediate processing not possible

What causes this issue?

The IDoc is supposed to be immediately transferred to the application
for processing.
An error has occured in this process. The error is described in the
following:
Immediate IDoc inbound processing should occur using the server group '
&v1&'.
Initialization using the module SPBT_INITIALIZE results in the following
error message:
(sy-subrc:sy-msgid/sy-msgno, sy-msgv1, sy-msgv2)
&v2&, &v3&, &V4&

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?

Use the report RBDAPP01 to transfer the IDocs to the application.

Procedure for System Administrators

Resolve the technical problem.

Error message extract from SAP system. Copyright SAP SE.