How To Fix RECABC045 - Character '&2' not allowed in key field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: RECABC - Basis (Technical Objects - Library)

• Message number: 045

• Message text: Character '&2' not allowed in key field &1

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RECABC045 - Character '&2' not allowed in key field &1 ?

  The SAP error message RECABC045 indicates that there is an issue with a key field in a data record where a character that is not allowed has been used. Specifically, the message states that the character '&2' is not permitted in the key field '&1'. This typically occurs in scenarios where data is being processed or validated, such as during data entry, data import, or when executing certain transactions.
  Cause:
  
  Invalid Characters: The key field may have restrictions on the types of characters that can be used. For example, certain special characters, spaces, or non-alphanumeric characters may not be allowed.
  Data Format Issues: The data being entered or processed may not conform to the expected format for the key field.
  Configuration Settings: The configuration of the data model or the specific application may impose restrictions on the key fields.
  
  Solution:
  
  Check Input Data: Review the data being entered or processed. Ensure that the key field does not contain any invalid characters. Replace or remove any disallowed characters.
  Refer to Documentation: Consult the relevant SAP documentation or data model specifications to understand the allowed characters for the key field.
  Data Validation: Implement data validation checks before processing to catch such errors early. This can be done through user exits, BAdIs, or validation rules.
  Configuration Review: If you have access to the configuration settings, review them to ensure that they are set up correctly and that the key field definitions are as expected.
  Testing: After making corrections, test the data entry or processing again to ensure that the error does not recur.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Depending on where the error occurs, you may want to look into specific transaction codes related to the data entry or processing.
  User Exits and BAdIs: If you are a developer or have access to development resources, consider implementing user exits or BAdIs to enforce data validation rules.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP directly for further assistance.