How To Fix W8065 - Conversion error while evaluating condition & = & & &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 065

• Message text: Conversion error while evaluating condition & = & & &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message W8065 - Conversion error while evaluating condition & = & & & ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  W8065 Conversion error while evaluating condition & = & & &
  
  Cause:
  This warning message typically occurs during the evaluation of a condition in SAP when there is a data type mismatch or conversion error. Specifically, the system tries to evaluate a condition (often in a workflow, condition technique, or a custom code check) where the operands involved cannot be converted or compared properly due to incompatible data types.
  For example:
  
  Comparing a numeric field with a character string.
  Trying to evaluate a condition where one side is a date and the other is a string.
  Using an uninitialized or null value in a condition.
  Implicit conversion fails because the system cannot interpret the data correctly.
  
  
  When does it occur?
  
  In Workflow conditions or Business Rule Framework plus (BRFplus).
  In Condition technique (pricing, output determination).
  In Custom ABAP code where conditions are evaluated dynamically.
  During runtime checks where the system tries to evaluate logical expressions.
  
  
  Solution:
  
  
  Check the data types of the fields or variables involved in the condition:
  
  Ensure both sides of the condition are compatible (e.g., both numeric, both character, or both date).
  Use explicit conversion functions if necessary (e.g., CONV, TO_CHAR, TO_DATE).
  
  
  
  Initialize variables before use:
  
  Make sure variables used in the condition are not initial or null.
  
  
  
  Review the condition logic:
  
  Simplify complex conditions.
  Avoid comparing incompatible types directly.
  
  
  
  Debug the condition evaluation:
  
  Use debugging tools to check the values and types at runtime.
  Identify which part of the condition causes the conversion error.
  
  
  
  Adjust the condition or code:
  
  Modify the condition to handle data type differences.
  Add checks to prevent evaluation if data is invalid or missing.
  
  
  
  
  Related Information:
  
  SAP Note references: Sometimes SAP provides notes for specific scenarios causing this error.
  Transaction SWI1 / SWI2_FREQ: To analyze workflow logs if the error occurs in workflows.
  ABAP Debugger: To trace the exact point of failure.
  Condition Technique: Check customizing in transaction SPRO under the relevant application area.
  BRFplus: Check the rules and expressions for data type consistency.
  
  
  Example:
  If you have a condition like:
  IF lv_date = lv_string.
  Where lv_date is of type DATS and lv_string is CHAR10, this will cause a conversion error. Instead, convert lv_string to date or lv_date to string before comparison:
  IF lv_date = CONV d(lv_string).
  or
  IF CONV string(lv_date) = lv_string.
  
  If you provide the exact context or code snippet where this error occurs, I can help you with a more precise solution.