How To Fix UMM_CUSTDATA123 - Invalid input in field '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: UMM_CUSTDATA - Message Texts from Database Interface of MC Customizing

• Message number: 123

• Message text: Invalid input in field '&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.

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 UMM_CUSTDATA123 - Invalid input in field '&1' ?

  The SAP error message UMM_CUSTDATA123, which states "Invalid input in field '&1'", typically indicates that there is an issue with the data being entered into a specific field in the SAP system. This error can occur in various contexts, such as during data entry in transactions, when processing customer data, or while executing certain functions in the system.
  Cause:
  
  Invalid Data Format: The input provided does not match the expected format for the field. For example, entering letters in a numeric field.
  Field Length Exceeded: The input exceeds the maximum length allowed for that field.
  Incorrect Value: The value entered is not valid according to the predefined list of acceptable values (e.g., entering a non-existent customer ID).
  Missing Required Fields: If the field is mandatory and left blank, it can trigger this error.
  Data Type Mismatch: The data type of the input does not match the expected data type for the field.
  
  Solution:
  
  Check Input Format: Ensure that the data being entered matches the expected format for the field. Refer to the field's documentation or help text for guidance.
  Verify Field Length: Make sure that the input does not exceed the maximum character limit for the field.
  Use Valid Values: If the field has a predefined list of acceptable values, ensure that the input matches one of those values.
  Complete Required Fields: Ensure that all mandatory fields are filled out correctly.
  Data Type Validation: Confirm that the data type of the input matches the expected type (e.g., numeric, alphanumeric).
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes depending on the context (e.g., customer master data transactions).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging: If you have access to debugging tools, you can trace the program execution to identify where the error is being triggered.
  User Authorization: Ensure that the user has the necessary authorizations to enter data in the specified field.
  
  If the issue persists after checking the above points, it may be helpful to consult with your SAP support team or refer to SAP community forums for additional assistance.