How To Fix CB455 - Call up the transaction again

CB455 - Overview

• Message type: E = Error

• Message class: CB - PP-PI-PMA: Dialog Messages for Process Management

• Message number: 455

• Message text: Call up the transaction again

What causes this issue?

During message processing, a situation has occurred due to an internal
error which could lead to inconsistencies if you continue processing
messages within the same transaction call.
For this reason, the transaction was terminated.

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?

Call up the message monitor again and carry out the desired processing.
In addition to this, please inform SAP about this problem. If possible,
include the following information in your problem message:
which process messages you sent last
which error messages (system messages) were issued in dialog during
sending

Error message extract from SAP system. Copyright SAP SE.

CB455 - Details

• The SAP error message CB455 ("Call up the transaction again") typically indicates that there is an issue with the transaction you are trying to execute. This error can occur for various reasons, and here are some common causes, potential solutions, and related information:
  Causes:
  
  Session Timeout: The session may have timed out due to inactivity.
  Authorization Issues: The user may not have the necessary authorizations to execute the transaction.
  Data Locking: The data you are trying to access may be locked by another user or process.
  System Errors: There may be a temporary issue with the SAP system or a specific module.
  
  Configuration Issues: There could be a configuration problem in the system that is preventing the transaction from being executed properly.
  
  Solutions:
  
  Retry the Transaction: As the error message suggests, try to call up the transaction again. Sometimes, the issue may be temporary.
  Check Session Status: If the session has timed out, log back into the system and