How To Fix SAPLWSPO002 - Call for routine &1 is not valid

SAPLWSPO002 - Overview

• Message type: E = Error

• Message class: SAPLWSPO - SAP Retail Store: Purchase Order

• Message number: 002

• Message text: Call for routine &1 is not valid

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.

Unfortunately, there isn't any extra information in this error notice.

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SAPLWSPO002 - Details

• The SAP error message SAPLWSPO002 indicates that there is an issue with a call to a routine (function module or method) in the SAP system. The message typically means that the routine being called is either not valid, not found, or not accessible in the current context.
  Causes:
  
  Incorrect Routine Name: The routine name specified in the call may be misspelled or incorrect.
  Routine Not Active: The routine may not be active or may have been deactivated in the system.
  Authorization Issues: The user may not have the necessary authorizations to execute the routine.
  Missing or Incomplete Implementation: The routine may not be implemented correctly or may be missing required parameters.
  Transport Issues: If the routine was recently transported from another system, there may be issues with the transport that need to be resolved.
  
  Solutions:
  
  Check Routine Name: Verify that the name of the routine being called is correct and matches the definition in the system.
  Activate the Routine: