/BGLOCS/MC01901 - Invalid characters! Only letters and cyphers permitted!

SAP Error Message - Details

• Message type: E = Error

• Message class: /BGLOCS/MC01 -

• Message number: 901

• Message text: Invalid characters! Only letters and cyphers permitted!

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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AnswerBot

• What is the cause and solution for SAP error message /BGLOCS/MC01901 - Invalid characters! Only letters and cyphers permitted! ?

  The SAP error message /BGLOCS/MC01901 Invalid characters! Only letters and cyphers permitted! typically indicates that there is an issue with the input data in a field that is expected to contain only alphanumeric characters (letters and numbers). This error often arises in scenarios where data is being entered or processed, such as during the creation or modification of master data, transactional data, or configuration settings.
  Cause:
  
  Invalid Input: The most common cause is that the user has entered special characters, spaces, or symbols in a field that only allows letters (A-Z, a-z) and numbers (0-9).
  Data Migration: If data is being imported or migrated from another system, it may contain invalid characters that are not allowed in the SAP system.
  Configuration Issues: There may be a configuration setting that restricts the allowed characters in certain fields.
  
  Solution:
  
  Check Input Data: Review the data being entered in the field that triggered the error. Ensure that it contains only valid alphanumeric characters.
  Data Cleansing: If the error occurs during data migration, cleanse the data to remove any invalid characters before importing it into SAP.
  Field Validation: If you are developing or customizing a program, ensure that proper validation is in place to check for invalid characters before processing the input.
  Consult Documentation: Refer to the SAP documentation or help files for the specific transaction or module you are working with to understand the character restrictions.
  Error Handling: Implement error handling in your code to catch such errors and provide user-friendly messages or prompts to correct the input.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: If this error occurs in a specific transaction, look up the transaction code in SAP to find more information about its expected input.
  User Exits or BAdIs: If you are customizing SAP, consider using user exits or BAdIs to implement additional validation logic.
  Testing: After making changes, thoroughly test the input scenarios to ensure that the error does not occur again.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.