How To Fix MILL_PC322 - Special character &1 not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MILL_PC - Mill: Message Pool for Confirmations

• Message number: 322

• Message text: Special character &1 not allowed

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 MILL_PC322 - Special character &1 not allowed ?

  The SAP error message MILL_PC322, which states "Special character &1 not allowed," typically occurs when a user attempts to enter a value that contains special characters in a field that does not accept them. This can happen in various contexts within SAP, such as when entering data in material master records, production orders, or other transactional data.
  Cause:
  
  Invalid Input: The input value contains special characters (e.g., @, #, $, %, &, etc.) that are not permitted in the specific field.
  Field Configuration: The field may be configured to accept only alphanumeric characters or specific formats, and the input does not comply with these rules.
  Data Validation Rules: There may be validation rules set up in the system that restrict the use of special characters in certain fields.
  
  Solution:
  
  Check Input: Review the value you are trying to enter and remove any special characters. Ensure that the input consists only of valid characters as per the field's requirements.
  Field Documentation: Refer to the documentation or help text associated with the field to understand the allowed character set.
  Data Entry Guidelines: Follow any data entry guidelines provided by your organization or SAP to ensure compliance with the system's requirements.
  Consult with IT Support: If you believe the error is occurring incorrectly or if you need to use special characters for a valid reason, consult your SAP administrator or IT support team. They may need to adjust the field settings or validation rules.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. SAP frequently releases notes that address specific error messages and provide guidance on how to resolve them.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may be involved in the process where the error occurs (e.g., MM01 for material master creation).
  User Training: Ensure that users are trained on the proper data entry practices to minimize the occurrence of such errors.
  
  By following these steps, you should be able to resolve the MILL_PC322 error and successfully enter the required data into the SAP system.