How To Fix SPRX121 - Migration for SAP namespaces not allowed: &1 &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: SPRX - Proxy Generation

• Message number: 121

• Message text: Migration for SAP namespaces not allowed: &1 &2 &3

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SPRX121 - Migration for SAP namespaces not allowed: &1 &2 &3 ?

  The SAP error message SPRX121 indicates that there is an issue with the migration of SAP namespaces. This error typically occurs when you are trying to migrate objects or data that belong to a namespace that is not allowed for migration. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Namespace Restrictions: SAP has specific namespaces (like /ABAP/, /SAP/, etc.) that are reserved for SAP standard objects. If you attempt to migrate custom objects or data that fall under these namespaces, the system will throw this error.
  Incorrect Configuration: The migration settings may not be configured correctly, leading to attempts to migrate restricted namespaces.
  Transport Layer Issues: If the transport layer is not set up properly, it may lead to issues with namespace validation during migration.
  
  Solution:
  
  Check Namespace: Verify the namespaces of the objects you are trying to migrate. Ensure that they do not belong to any restricted SAP namespaces.
  Adjust Migration Settings: If you are using a migration tool or process, check the configuration settings to ensure that it allows for the migration of the intended namespaces.
  Use Custom Namespaces: If you are developing custom objects, ensure that they are created in a custom namespace (e.g., /Z/ or /Y/) that is allowed for migration.
  Review Transport Requests: Ensure that the transport requests you are using for migration do not include objects from restricted namespaces.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration process you are using to ensure compliance with namespace rules.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or updates regarding namespace migration issues.
  Migration Tools: If you are using specific migration tools (like SAP S/4HANA Migration Cockpit), refer to their documentation for guidelines on handling namespaces.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after following these steps, consider reaching out to SAP support for further assistance.