How To Fix /CFG/EXP135 - Operator &1 expects a field definition on its RHS, but found &2

/CFG/EXP135 - Overview

• Message type: E = Error

• Message class: /CFG/EXP -

• Message number: 135

• Message text: Operator &1 expects a field definition on its RHS, but found &2

Self-Explanatory Message

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /CFG/EXP135 - Operator &1 expects a field definition on its RHS, but found &2 ?

  The SAP error message /CFG/EXP135 indicates that there is an issue with an expression in a configuration or programming context, specifically related to the use of operators and field definitions. The message states that an operator (denoted by &1) is expecting a field definition on its right-hand side (RHS), but instead, it found something else (denoted by &2).
  
  Cause:
  This error typically arises in the following scenarios:
  
  Incorrect Syntax: The expression may have been written incorrectly, where the operator is not followed by a valid field or variable.
  Data Type Mismatch: The right-hand side of the operator may not be of the expected data type or format.
  Missing Field Definition: The field that is expected on the RHS may not be defined or may be misspelled.
  Contextual Misuse: The operator may be used in a context where it is not applicable, leading to the expectation of a field definition that is not present.
  
  
  Solution:
  To resolve this error,