Message type: E = Error
Message class:  TR_AUSL - Software Delivery Composer Messages 
Message number: 027
Message text: Delivery request &1: Change request/piece list &2 not assigned
The change request or piece list &V2& is not assigned to the delivery
request &V1&. Either the assignment has not yet been made or &V2& does
not exist in this SAP System.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message TR_AUSL027 indicates that there is an issue with the assignment of a change request or piece list to a delivery request. This error typically arises in the context of transport management or when dealing with change requests in SAP systems.
Cause: The error message TR_AUSL027 occurs when: A delivery request is being processed, but it is not linked to the specified change request or piece list. The change request or piece list may not exist, or it may not be properly assigned to the delivery request. There may be inconsistencies in the transport management system or configuration issues.
Solution: To resolve this error, you can take the following steps: Check the Change Request: Verify that the change request (or piece list) referenced in the error message exists and is correctly configured. Ensure that it is active and not in a locked state. Assign the Change Request: If the change request is not assigned to the
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TR_AUSL028 Delivery request &1: No change requests/piece lists exist
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TR_AUSL029 Delivery request &1: No change requests/piece lists of type &2
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