How To Fix SALV_X_API021 - Contract violation in method call

SALV_X_API021 - Overview

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 021

• Message text: Contract violation in method call

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_X_API021 - Contract violation in method call ?

  The SAP error message SALV_X_API021 indicates a "Contract violation in method call" when working with the SAP ALV (ABAP List Viewer) framework, specifically when using the SALV (Simple ALV) classes. This error typically arises when there is a mismatch between the expected parameters or the state of the object when a method is called.
  Causes:
  
  Incorrect Method Usage: The method being called may not be appropriate for the current state of the object or may require parameters that are not being provided correctly.
  Object Lifecycle Issues: The object may not be properly initialized or may have been modified in a way that violates the expected contract of the method.
  Incompatible Data Types: The data types of the parameters passed to the method may not match the expected types.
  Missing Required Configuration: Certain configurations or settings may be required before calling the method, and if they are not set, it can lead to this error.
  
  Solutions:
  
  Check Method