How To Fix EU129 - No further WHEN statement found at current CASE level

SAP Error Message - Details

• Message type: E = Error

• Message class: EU - Development Environment

• Message number: 129

• Message text: No further WHEN statement found at current CASE level

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message EU129 - No further WHEN statement found at current CASE level ?

  The SAP error message EU129 ("No further WHEN statement found at current CASE level") typically occurs in ABAP programming when there is a CASE statement that does not have a corresponding WHEN clause for a specific value being evaluated. This error indicates that the program is trying to evaluate a value in a CASE statement, but it does not find a matching WHEN clause, and there is no ELSE clause to handle the situation.
  Cause:
  
  Missing WHEN Clause: The most common cause is that the CASE statement is missing a WHEN clause for one or more possible values of the variable being evaluated.
  Incorrect Logic: The logic in the CASE statement may not cover all possible values, leading to a situation where the program encounters a value that is not handled.
  Syntax Errors: There may be syntax errors in the CASE statement that prevent it from being correctly interpreted by the ABAP compiler.
  
  Solution:
  
  
  Add Missing WHEN Clauses: Review the CASE statement and ensure that all possible values of the evaluated variable are covered by WHEN clauses. If there are values that are not explicitly handled, add the necessary WHEN clauses.
  Example:
  CASE variable.
    WHEN 'value1'.
      " Do something
    WHEN 'value2'.
      " Do something else
    WHEN OTHERS.
      " Handle all other cases
  ENDCASE.
  
  
  Use ELSE Clause: If it is acceptable to handle all other cases in a single block, consider adding an ELSE clause (or WHEN OTHERS) to catch any values that do not match the specified WHEN clauses.
  
  
  Check for Typos: Ensure that there are no typographical errors in the WHEN clauses or the variable being evaluated.
  
  
  Debugging: If the error persists, use debugging tools to step through the code and identify the exact value being evaluated when the error occurs. This can help you determine what additional WHEN clauses may be needed.
  
  
  Related Information:
  
  ABAP Documentation: Refer to the official SAP ABAP documentation for detailed information on the syntax and usage of CASE statements.
  Error Handling: Consider implementing error handling mechanisms to gracefully manage unexpected values in your program logic.
  Code Review: Conduct a code review with peers to ensure that the logic is sound and all possible cases are handled appropriately.
  
  By addressing the missing WHEN clauses and ensuring that all potential values are accounted for, you should be able to resolve the EU129 error in your ABAP program.