How To Fix MW551 - Invalid value for request flag. Valid: empty, 1, 2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 551

• Message text: Invalid value for request flag. Valid: empty, 1, 2

What causes this issue?

You entered a value that is not allowed for interface parameter
REQUESTFLAG.

System Response

The system cannot select any allocation tables.

How to fix this error?

Make a new selection and leave the interface parameter REQUESTFLAG
empty or set one of the following values:

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

1: Selects allocation tables for which requested quantities have still
to be entered by the date specified.
2:Selects allocation tables for which requested quantities have still
to be entered or can still be changed by the date specified.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW551 - Invalid value for request flag. Valid: empty, 1, 2 ?

  The SAP error message MW551, which states "Invalid value for request flag. Valid: empty, 1, 2," typically occurs in the context of inventory management or material movements. This error indicates that an invalid value has been provided for a request flag in a transaction or function that expects specific values.
  
  Cause:
  The error is usually caused by one of the following reasons:
  
  
  Incorrect Input: The user has entered an invalid value for the request flag field. The valid values are:
  
  Empty (no value)
  1 (indicating a specific request type)
  2 (indicating another specific request type)
  
  
  
  
  Configuration Issues: There may be a configuration issue in the system that is causing the request flag to be set incorrectly.
  
  
  Custom Code: If there are custom developments or enhancements in the system, they may be passing an invalid value to the request flag.
  
  
  
  Solution:
  To resolve the MW551 error, you can take the following steps:
  
  
  Check Input Values: Review the input values being provided in