Message cannot currently be edited

What causes this issue?

Due to a technical problem in the SAP system, the message cannot be
processed at this time. The message was not delivered to the recipient.


Technical Information
IF &V1& <> ''
&V1&
&V2&
&V4&&V3&
ELSE
<No information available>
ENDIF

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

Error message extract from SAP system. Copyright SAP SE.