How To Fix CMPERS121 - Internal error: Conversion for screen &1 failed

CMPERS121 - Overview

• Message type: E = Error

• Message class: CMPERS - Personalization for Web Applications

• Message number: 121

• Message text: Internal error: Conversion for screen &1 failed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMPERS121 - Internal error: Conversion for screen &1 failed ?

  The SAP error message CMPERS121, which states "Internal error: Conversion for screen &1 failed," typically indicates that there is an issue with the conversion of data for a specific screen in the SAP system. This error can arise from various underlying causes, and addressing it often requires a systematic approach.
  Possible Causes:
  
  Data Type Mismatch: The data being processed may not match the expected data type for the fields on the screen.
  Custom Code Issues: If there are custom enhancements or modifications in the code related to the screen, they may be causing the conversion to fail.
  Screen Configuration Errors: There may be issues with the configuration of the screen itself, such as incorrect field definitions or attributes.
  Missing or Corrupted Data: The data being processed may be missing or corrupted, leading to conversion failures.
  SAP Notes: There may be known issues related to specific versions of SAP that have been documented in SAP Notes.
  
  Solutions:
  
  Check Data