How To Fix FDT_WD_TOOLS390 - Nested expressions executed during condition evaluation

FDT_WD_TOOLS390 - Overview

• Message type: E = Error

• Message class: FDT_WD_TOOLS - Message Class for tools

• Message number: 390

• Message text: Nested expressions executed during condition evaluation

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_WD_TOOLS390 - Nested expressions executed during condition evaluation ?

  The SAP error message FDT_WD_TOOLS390 indicates that there is an issue with nested expressions in the context of condition evaluation within the SAP Fiori or SAP UI5 applications. This error typically arises when the system encounters complex logical conditions that involve nested expressions, which may not be supported or may exceed the allowed complexity.
  
  Cause:
  
  Complex Conditions: The error is often caused by overly complex or deeply nested logical conditions in the decision tables or rules defined in the FDT (Fiori Decision Table) framework.
  Syntax Issues: There may be syntax errors or incorrect logical operators used in the expressions.
  Limitations of the Framework: The FDT framework may have limitations on the depth of nested expressions that can be evaluated.
  
  
  Solution:
  
  Simplify Conditions: Review the conditions defined in your decision tables or rules and try to simplify them. Avoid deep nesting of expressions.
  Break Down Logic: If possible, break down complex conditions into simpler, separate conditions that can