How To Fix PN104 - Entry in field (&) not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: PN -

• Message number: 104

• Message text: Entry in field (&) 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 PN104 - Entry in field (&) not allowed ?

  The SAP error message PN104, which states "Entry in field (&) not allowed," typically occurs when a user attempts to enter a value in a field that is not permitted according to the system's configuration or business rules. This error can arise in various contexts, such as during data entry in transactions, master data maintenance, or configuration settings.
  Causes:
  
  Field Restrictions: The field may have specific restrictions based on the configuration in the system. For example, certain fields may only accept predefined values or formats.
  Data Type Mismatch: The value entered may not match the expected data type for that field (e.g., entering text in a numeric field).
  Validation Rules: There may be validation rules set up in the system that restrict certain entries based on business logic.
  Authorization Issues: The user may not have the necessary authorizations to enter data in that field.
  Field Status Group: The field may be set to "display only" or "not allowed" in the field status group configuration.
  
  Solutions:
  
  Check Field Requirements: Review the field's requirements and ensure that the value being entered complies with the expected format and restrictions.
  Consult Documentation: Refer to the relevant SAP documentation or configuration guides to understand the allowed values for the field.
  Authorization Check: Ensure that the user has the necessary authorizations to enter data in the field. If not, contact your SAP security administrator.
  Field Status Configuration: If you have access, check the field status group settings in the configuration to see if the field is set to "not allowed" and adjust it if necessary.
  Use Valid Values: If the field has a predefined list of valid values (e.g., dropdown), ensure that you are selecting from that list rather than entering a free text value.
  
  Related Information:
  
  Transaction Codes: Depending on where the error occurs, you may need to look into specific transaction codes related to the module you are working with (e.g., MM for materials management, SD for sales and distribution).
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message PN104.
  Debugging: If you have access to debugging tools, you can analyze the program logic to identify why the entry is being rejected.
  User Forums: Consider checking SAP community forums or user groups for similar issues and solutions shared by other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a functional consultant who can provide more specific guidance based on your system's configuration.