How To Fix WS621 - Parameter does not contain correct data (internal error)

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 621

• Message text: Parameter does not contain correct data (internal error)

What causes this issue?

The parameter "&V1&" was not assigned a value correctly when the method
"&V2&" of class "&V3&" was called.

System Response

INCLUDE ISR_STOP

How to fix this error?

INCLUDE ISR_SYSTEMFEHLER OBJECT DOKU ID TX

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WS621 - Parameter does not contain correct data (internal error) ?

  SAP Error Message:
  WS621 Parameter does not contain correct data (internal error)
  
  
  Cause:
  The error message WS621 typically occurs when a function module or a program in SAP expects a parameter to contain data in a specific format or structure, but the actual data passed does not meet these expectations. This is often an internal consistency or data integrity issue within the SAP system, where the parameter content is either corrupted, incomplete, or incorrectly formatted.
  Common causes include:
  
  Incorrect or incomplete data passed to a function module or BAPI.
  Data structure mismatch between the caller and the called function.
  Internal inconsistencies in SAP memory or buffer areas.
  Custom code or enhancements passing wrong parameters.
  Issues during RFC (Remote Function Call) communication where parameters are not correctly serialized/deserialized.
  
  
  
  Solution:
  To resolve the WS621 error, consider the following steps:
  
  
  Check the Parameter Data:
  
  Identify which parameter is causing the issue.
  Use debugging tools (e.g., ABAP debugger) to inspect the parameter content at runtime.
  Verify that the data