How To Fix VSB240 - External transmission &1 blocked

SAP Error Message - Details

• 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 configured to block external transmissions under specific conditions (e.g., during maintenance windows).
  Data Issues: There may be issues with the data being transmitted, such as missing mandatory fields or incorrect formats.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to external transmissions in the SAP system. Ensure that the relevant settings allow for the transmission to proceed.
  Review Logs: Check the application logs (transaction SLG1) for any related error messages or warnings that could provide more context on why the transmission is blocked.
  Correct Errors: If there are errors in the document or data that are causing the block, correct those issues and attempt to resend the transmission.
  Authorization Check: Ensure that the user or process has the necessary authorizations to perform the external transmission. This may involve checking user roles and permissions.
  Consult Documentation: Refer to SAP documentation or support notes related to the specific message type or process to understand any additional requirements or settings that may be relevant.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as WE02 (for monitoring EDI messages) or WE19 (for testing EDI).
  SAP Notes: Search for SAP Notes related to the error message VSB240 for any specific patches or updates that may address the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to diagnose and resolve the VSB240 error in your SAP system.