How To Fix W8136 - Expression type & is not supported

W8136 - Overview

• Message type: E = Error

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

• Message number: 136

• Message text: Expression type & is not supported

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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W8136 - Details

• SAP Error Message:
  W8136 Expression type & is not supported
  
  Cause
  This warning message occurs when an expression type used in an ABAP statement or condition is not supported by the particular context or statement where it is used. The placeholder & in the message is replaced by the actual expression type that is causing the issue.
  Common scenarios include:
  
  Using an unsupported data type or expression in a WHERE condition, FILTER, or other expressions.
  Using complex expressions or data types (e.g., internal tables, structures) where only simple types (e.g., elementary types) are allowed.
  Using expressions in CDS views or Open SQL statements that do not support certain ABAP expression types.
  Using expressions in newer ABAP syntax constructs that have restrictions on allowed expression types.
  
  
  Solution
  
  
  Identify the Expression Type:
  Check the exact expression type mentioned in the message (the & placeholder will be replaced by the actual type in your system). This will help you understand what kind of expression