How To Fix W+656 - Function could not be executed

SAP Error Message - Details

• Message type: E = Error

• Message class: W+ -

• Message number: 656

• Message text: Function could not be executed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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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Smart SAP Assistant

• What is the cause and solution for SAP error message W+656 - Function could not be executed ?

  SAP Error Message:
  
  W+656 Function could not be executed
  
  Cause:
  The error message W+656 Function could not be executed typically occurs when a specific function module, transaction, or operation within SAP cannot be performed. This can be due to several reasons such as:
  
  Missing or incorrect authorization for the user.
  The function module or transaction is not available or not active in the current system/client.
  Incorrect or incomplete input parameters passed to the function.
  System inconsistencies or missing configuration.
  The function is called in an incorrect context or sequence.
  Temporary system issues or locks preventing execution.
  
  
  Solution:
  To resolve the W+656 Function could not be executed error, consider the following steps:
  
  
  Check Authorizations:
  
  Verify that the user has the necessary authorizations to execute the function or transaction.
  Use transaction SU53 immediately after the error to check for missing authorizations.
  
  
  
  Verify Function Availability:
  
  Confirm that the function module or transaction is active and available in the current system and client.
  Use transaction SE37 to test the function module directly.
  Check if the function module is released and not obsolete.
  
  
  
  Review Input Parameters:
  
  Ensure that all required input parameters are correctly provided and valid.
  Check the calling program or report for correctness.
  
  
  
  Check System Logs and Dumps:
  
  Look into SM21 (system log) and ST22 (short dumps) for related error details.
  Analyze any related dumps for more specific causes.
  
  
  
  Check Configuration and Customizing:
  
  Verify if any configuration or customizing settings related to the function are missing or incorrect.
  
  
  
  Debugging:
  
  If you have development access, debug the program or function module to identify the exact point of failure.
  
  
  
  SAP Notes and Support:
  
  Search the SAP Support Portal for notes related to message W+656.
  Apply any relevant SAP Notes or patches.
  
  
  
  
  Related Information:
  
  Message Class: W+656 is a warning message class, indicating a non-critical but important issue.
  Transaction Codes: The error can appear in various transactions depending on the function being called.
  Common Contexts: This error is often seen in custom developments or interfaces where function modules are called dynamically.
  SAP Support: If the issue persists after basic checks, consider raising a support ticket with SAP, providing detailed logs and steps to reproduce.
  
  
  Summary:
  
  The W+656 Function could not be executed error indicates that a requested function could not run due to authorization issues, missing or incorrect parameters, or system configuration problems. Checking authorizations, verifying function availability, reviewing input data, and analyzing system logs are key steps to resolve this issue. Debugging and consulting SAP Notes may also be necessary for complex cases.