How To Fix VSB240 - External transmission &1 blocked

VSB240 - Overview

• Message type: E = Error

• Message class: VSB - Self-Billing Procedure Messages

• Message number: 240

• Message text: External transmission &1 blocked

What causes this issue?

You wanted to determine an internal transmission number for transferred
or externally generated transmission number &V1&. The transmission
number generated externally could not be blocked.

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

The following exception occurred when trying to block the external
transmission number: &V2&
The exception has the following meaning: &V2&
1 - The external transmission number is blocked
2 - A system error has occurred
3 - A different type of error has occurred

System Response

The transmission is assigned to transmission number 0 as a correct
internal transmission number could not be determined.

How to fix this error?

Try processing again as soon as the block on the external transmission
no longer exists.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message VSB240 - External transmission &1 blocked ?

  The SAP error message VSB240 "External transmission &1 blocked" typically occurs in the context of the SAP system's handling of external communications, such as EDI (Electronic Data Interchange) or other forms of data transmission. This error indicates that the external transmission for a specific document or message type has been blocked, preventing it from being processed or sent.
  Causes:
  
  Blocking Configuration: The transmission might be blocked due to configuration settings in the SAP system. This could be intentional, such as for testing purposes or due to a specific business process requirement.
  Error in Previous Processing: If there was an error in a previous step of the process (e.g., an error in the document creation or processing), it might lead to the blocking of the transmission.
  Authorization Issues: The user or process attempting to send the transmission may not have the necessary authorizations, leading to a block.
  System Settings: Certain system settings or parameters may be