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

UCM0139 - Overview

• 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.

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 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