How To Fix MDC_HDB_MTC041 - Special characters not allowed in &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_HDB_MTC - Message class for master data consolidation matching

• Message number: 041

• Message text: Special characters not allowed in &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 MDC_HDB_MTC041 - Special characters not allowed in &1 ?

  The SAP error message MDC_HDB_MTC041, which states "Special characters not allowed in &1," typically occurs when there are invalid characters in a field that does not accept them. This error is often encountered in the context of SAP HANA database operations, particularly when dealing with data modeling or data transfer processes.
  Cause:
  The error is triggered when special characters (such as symbols, punctuation, or whitespace) are included in a field that is expected to contain only alphanumeric characters. This can happen in various scenarios, such as:
  
  Naming conventions for database objects (like tables, views, or columns).
  Input data that includes special characters when it should not.
  Configuration settings or parameters that are incorrectly formatted.
  
  Solution:
  To resolve the MDC_HDB_MTC041 error, you can take the following steps:
  
  
  Identify the Field: Check the specific field indicated by the error message (the placeholder &1 will be replaced with the actual field name). This will help you understand where the issue lies.
  
  
  Review Naming Conventions: Ensure that any names for database objects conform to SAP's naming conventions. Typically, names should only include alphanumeric characters and underscores.
  
  
  Clean Input Data: If the error is related to input data, review the data being processed. Remove any special characters from the input that are not allowed.
  
  
  Check Configuration Settings: If the error arises from configuration settings, verify that all parameters are correctly formatted and do not contain special characters.
  
  
  Use SAP Tools: Utilize SAP tools or transaction codes (like SE11 for Data Dictionary) to validate the structure of your database objects and ensure compliance with naming rules.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on naming conventions and allowed characters in your version of SAP HANA.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Testing: After making changes, test the process again to ensure that the error has been resolved.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.