How To Fix UCM0139 - Only the values "X" and space can be entered here

SAP Error Message - Details

• Message type: E = Error

• Message class: UCM0 - Messages for Data Basis, Cons Area, ...

• Message number: 139

• Message text: Only the values "X" and space can be entered here

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message UCM0139 - Only the values "X" and space can be entered here ?

  The SAP error message UCM0139, which states "Only the values 'X' and space can be entered here," typically occurs in the context of a field that is expecting a specific input format. This error is often related to fields that are designed to accept only binary values, specifically 'X' (for true or yes) and a blank space (for false or no).
  Cause:
  
  Invalid Input: The most common cause of this error is that the user has entered a value that is not 'X' or a blank space in a field that only accepts these two values.
  Field Configuration: The field may be configured in such a way that it only allows these specific inputs, often due to business logic or validation rules set in the system.
  Data Migration Issues: If data is being imported or migrated into the system, it may contain invalid values that do not conform to the expected input for that field.
  
  Solution:
  
  Check Input Values: Review the value you are trying to enter in the field. Ensure that it is either 'X' or a blank space. If you are entering a different value, change it to one of the acceptable values.
  Field Documentation: Refer to the documentation or help text associated with the field to understand what values are acceptable and why.
  Data Validation: If this error occurs during data entry or migration, implement validation checks to ensure that only valid values are being processed.
  Consult with SAP Support: If you are unsure why the error is occurring or if you believe it is a system issue, consult with your SAP support team or refer to SAP Notes for further guidance.
  
  Related Information:
  
  Field Type: This error is often associated with fields that are of type CHAR or similar, where only specific characters are allowed.
  Transaction Codes: The error may occur in various transaction codes depending on the context (e.g., configuration settings, data entry screens).
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message, as there may be patches or updates that address specific scenarios.
  
  By ensuring that only the allowed values are entered and validating data before submission, you can avoid encountering this error in the future.