How To Fix WRF_GENERIC_HIER049 - Character &1 is not permitted for the generation of an ID

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_GENERIC_HIER - Messages for Package WRF_GENERIC_HIERARCHY

• Message number: 049

• Message text: Character &1 is not permitted for the generation of an ID

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 WRF_GENERIC_HIER049 - Character &1 is not permitted for the generation of an ID ?

  The SAP error message WRF_GENERIC_HIER049 indicates that there is an issue with the character used in the generation of an ID, typically related to the hierarchy or classification of materials in the SAP system. This error often arises in the context of creating or managing product hierarchies, material master data, or similar structures where specific formatting rules apply.
  Cause:
  The error is triggered when a character that is not permitted is used in the ID generation process. This can happen due to:
  
  Use of special characters or symbols that are not allowed in the ID.
  Incorrect configuration settings in the system that define valid characters for IDs.
  Data entry errors where the user inputs invalid characters.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check the ID Format: Review the ID that is being generated or entered. Ensure that it adheres to the allowed character set defined in your SAP configuration. Typically, IDs should consist of alphanumeric characters without special symbols.
  
  
  Review Configuration Settings: 
  
  Go to the relevant configuration settings in SAP (e.g., transaction SPRO) and check the settings for product hierarchies or material master data.
  Ensure that the allowed characters for IDs are correctly defined.
  
  
  
  Data Validation: If the ID is being generated from user input or another system, validate the input data to ensure it does not contain invalid characters.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on valid characters for IDs in your version of SAP.
  
  
  Error Logs: Check the system logs for additional details about the error. This may provide more context on what triggered the error.
  
  
  Testing: After making changes, test the ID generation process again to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.