How To Fix MW550 - Invalid value for selection flag. Valid: empty,1, 2, 3, 4

MW550 - Overview

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 550

• Message text: Invalid value for selection flag. Valid: empty,1, 2, 3, 4

What causes this issue?

A disallowed value for the interface parameter SELECTIONFLAG was
transferred.

System Response

No allocation table data could be selected.

How to fix this error?

Make a new request and leave the interface parameter SELECTIONFLAG
empty and enter one of the following values:
1: Select allocation tables referencing the department entered
2: select allocation tables referencing the material group entered
3: select allocation tables referencing materials entered
4: select allocation table entered

Error message extract from SAP system. Copyright SAP SE.

MW550 - Details

• The SAP error message MW550, which states "Invalid value for selection flag. Valid: empty, 1, 2, 3, 4," typically occurs in the context of inventory management or material management processes. This error indicates that an invalid value has been provided for a selection flag parameter in a transaction or function module.
  
  Cause:
  The error is caused by one of the following reasons:
  
  Incorrect Input Value: The selection flag parameter is expected to have specific values (empty, 1, 2, 3, or 4), and an invalid value has been provided.
  
  Configuration Issues: There may be a configuration issue in the system that is causing the selection flag to be set incorrectly.
  Custom Code: If there is custom code or enhancements in the system, it may be passing an invalid value to the selection flag.
  
  
  Solution:
  To resolve the MW550 error, you can take the following steps:
  
  
  Check Input Values: Review the input values being passed to the transaction or function.