Message type: E = Error
Message class:  SV - View Maintenance: Customize Messages 
Message number: 771
Message text: &1 is not a valid namespace prefix for the organizational criterion
The namespace prefix &V1& is not allowed in this system.
You cannot create an organizational criterion with this name.
Choose another namespace prefix or register for the namespace prefix
&V1&.
You can also not use the namespace by choosing an organizational
criterion name which starts with 'Y' or 'Z'.
To be able to develop in a namespace, you must register your namespace
name and the development license key for the development system, under
<LS>Organizer Tools -> Administration -> Display/Change Namespaces</>,
in the Workbench Organizer.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message "SV771 &1 is not a valid namespace prefix for the organizational criterion" typically occurs when there is an issue with the namespace prefix used in an organizational criterion within the SAP system. This error is often related to the configuration of organizational management or the use of specific namespaces in the system.
Cause: Invalid Namespace Prefix: The prefix used in the organizational criterion does not match any of the valid namespace prefixes defined in the system.
Configuration Issues: There may be a misconfiguration in the organizational management settings or the way namespaces are defined. Data Entry Errors: The user may have entered an incorrect or misspelled namespace prefix when setting up the organizational criterion.
Solution: Check Namespace Configuration: Go to the relevant configuration settings in SAP (usually in the Organizational Management area). Verify that the namespace prefix you are using is defined and valid. You can check the configuration for valid prefixes in transaction
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