How To Fix TN303 - From now: Import of types &1 &3 instead of types &2 &4

SAP Error Message - Details

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 303

• Message text: From now: Import of types &1 &3 instead of types &2 &4

What causes this issue?

You have set the flag for importing the component-specific type &V1&
&V3&. This also affects the type &V2& &V4&.

System Response

Instead of type &V2& &V4&, you are now allowed to import type &V1& &V3&
. Type &V2& &V4& can no longer be imported.
As long as a type &V1& &V3& has not yet been imported, this setting can
be canceled.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TN303 - From now: Import of types &1 &3 instead of types &2 &4 ?

  The SAP error message TN303 typically occurs during the import of types in the context of transport requests. This error indicates that there is a mismatch between the types being imported and the types that are expected in the target system. Specifically, it suggests that the system is trying to import types that do not match the expected types, which can lead to inconsistencies or errors in the application.
  Cause:
  
  Type Mismatch: The most common cause of this error is that the transport request contains types that are not compatible with the existing types in the target system. This can happen if the source and target systems are not in sync or if there have been changes in the data dictionary (DDIC) that have not been transported correctly.
  Version Differences: If the source and target systems are on different versions of SAP or if there have been changes in the underlying data structures, this can lead to type mismatches.
  Missing Dependencies: Sometimes, the types being imported may depend on other objects or types that are not present in the target system.
  
  Solution:
  
  Check Transport Request: Review the transport request to ensure that it contains the correct types and that they are compatible with the target system. You can do this by checking the objects included in the transport.
  Synchronize Systems: Ensure that both the source and target systems are synchronized. This may involve transporting missing objects or types that are required for the import to succeed.
  Adjust Data Dictionary: If there have been changes in the data dictionary, ensure that these changes are reflected in both systems. You may need to transport the relevant data dictionary objects.
  Manual Adjustments: In some cases, you may need to manually adjust the types in the target system to match those in the source system. This should be done with caution and ideally in a development or test environment first.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on how to resolve it. SAP Notes can provide insights into known issues and recommended fixes.
  
  Related Information:
  
  Transport Management System (TMS): Understanding how the TMS works can help in managing transports and resolving issues related to type mismatches.
  Data Dictionary (DDIC): Familiarity with the data dictionary and how types are defined and managed in SAP can be beneficial.
  SAP Community and Forums: Engaging with the SAP community can provide additional insights and solutions from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or consult with SAP support for further assistance.