How To Fix TN300 - You may only reset the flag if type &1 &2 has not yet been imported

TN300 - Overview

• Message type: E = Error

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

• Message number: 300

• Message text: You may only reset the flag if type &1 &2 has not yet been imported

What causes this issue?

You want to reset the flag for importing Support Package type &V2& of
component &V1&.
This is only allowed if a Support Package of this type has not yet been
imported.
The Support Packages already imported were checked with the following
result for type &V2&: '&V3&'.
The values mean the following:
'-' : No Support Packages with this type were found
'N' : No Support Packages with this type were imported
'I' : Support Packages with this type were already
imported
'?' : A Support Package with this type was not
imported successfully

Error message extract from SAP system. Copyright SAP SE.

TN300 - Details

• The SAP error message TN300 indicates that there is an issue with the transport request in the SAP system. Specifically, it means that you are trying to reset a flag for a transport object (type &1 &2) that has not yet been imported into the system. This can occur in various scenarios, such as when managing transport requests or during the import of changes.
  
  Cause:
  The error typically arises in the following situations:
  
  Transport Request Not Imported: You are attempting to reset a flag for a transport object that has not been imported into the target system.
  Incorrect Transport Management: There may be a misunderstanding or mismanagement of the transport requests, leading to attempts to manipulate objects that are not yet available in the system.
  System 
  Configuration Issues: There could be configuration issues in the transport management system that prevent proper handling of transport requests.
  
  
  Solution:
  To resolve the TN300 error, you can take the following steps:
  
  
  Check