How To Fix W8135 - Input value & is not allowed

W8135 - Overview

• Message type: E = Error

• Message class: W8 - Workflow: Expressions, data flow

• Message number: 135

• Message text: Input value & is 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 W8135 - Input value & is not allowed ?

  SAP Error Message:
  W8135 - Input value & is not allowed
  
  
  Cause:
  The warning message W8135 occurs when a user enters a value in a field that is not permitted according to the validation rules defined in the SAP system. This typically happens in custom or standard transactions where input fields have restrictions on allowed values, such as fixed value lists, domain value checks, or validation exits.
  The placeholder & in the message is replaced by the actual input value that was rejected.
  
  Explanation:
  
  The system checks the input value against allowed values or validation logic.
  If the input value does not meet the criteria, the system issues this warning.
  It is a warning (W) message, so the user may be able to continue after acknowledging it, but the input is flagged as invalid.
  
  
  Common Scenarios:
  
  Entering a value not included in a fixed value list or domain.
  Input value violates a custom validation implemented via user exits, BADIs, or enhancement