How To Fix TO122 - Assignment of package &1 to namespace &2 invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: TO - Transport Organizer and Tools

• Message number: 122

• Message text: Assignment of package &1 to namespace &2 invalid

What causes this issue?

The package &V1& is assigned to the logical namespace &V2& in the TDEVC
table of packages. However, this assignment is not possible. The
package &V1& can only be assigned to logical namespaces corresponding
to the template &V3&.
More detailed information on the cause of the error cannot be given
here.

System Response

The function is terminated.

How to fix this error?

Search for SAP Notes in SAPNet - R/3 Frontend with the keyword "TO122".

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TO122 - Assignment of package &1 to namespace &2 invalid ?

  The SAP error message TO122, which states "Assignment of package &1 to namespace &2 invalid," typically occurs when there is an issue with the assignment of a package to a namespace in the SAP system. This can happen for several reasons, and understanding the cause is essential for finding a solution.
  Cause:
  
  
  Namespace Restrictions: In SAP, namespaces are used to organize and manage development objects. Each namespace has specific rules regarding which packages can be assigned to it. If a package is assigned to a namespace that it does not belong to, this error will occur.
  
  
  Package Attributes: The package may not have the correct attributes set. For example, if a package is defined as a local package, it cannot be assigned to a global namespace.
  
  
  Transport Layer Issues: If the package is part of a transport layer that is not correctly configured, it may lead to this error.
  
  
  Development Class Issues: The development class of the package may not be compatible with the namespace.
  
  
  Solution:
  To resolve the TO122 error, you can follow these steps:
  
  
  Check Package Assignment:
  
  Go to transaction SE80 (Object Navigator) or SE21 (Package Builder).
  Check the package assignment to the namespace. Ensure that the package is assigned to the correct namespace according to SAP's naming conventions.
  
  
  
  Modify Package Attributes:
  
  If the package is incorrectly set as a local package, you may need to change its attributes to make it a global package if it is intended to be in a global namespace.
  You can do this in SE80 or SE21 by editing the package properties.
  
  
  
  Review Namespace Configuration:
  
  Ensure that the namespace is correctly defined in the system. You can check this in transaction SE03 (Transport Organizer Tools) under "Namespace Management."
  
  
  
  Transport Layer Configuration:
  
  Verify that the transport layer associated with the package is correctly configured. You can check this in transaction SE09 or SE10.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to namespaces and packages for any specific guidelines or restrictions that may apply to your situation.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  
  
  Related Information:
  
  Namespaces: SAP uses namespaces to avoid naming conflicts between different development objects. Each namespace can have specific rules regarding which packages can be assigned to it.
  Package Types: Packages can be classified as local or global. Local packages are typically used for development within a specific client, while global packages can be transported across different systems.
  Transport Management System (TMS): Understanding how the TMS works can help in managing packages and namespaces effectively.
  
  By following these steps and understanding the underlying concepts, you should be able to resolve the TO122 error in your SAP system.