Message type: E = Error
Message class:  TR_AUSL - Software Delivery Composer Messages 
Message number: 231
Message text: Delivery cannot be registered for a request of type &3
Request &V1& is of the type '&V2&' (<ZH>&V3&</>) and can therefore not
be used when registering a delivery in the Software Delivery Composer.
Only requests of the types 'P' (<ZH>upgrade piece list</>), 'D' (
<ZH>piece list for Support Package</>) and 'T' (<ZH>transport of copies
</>) can be used when registering a delivery.
The action was terminated.
Select a request of a suitable and valid type and then repeat the
registration.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message TR_AUSL231 indicates that a delivery cannot be registered for a request of a specific type (denoted by &3). This error typically occurs in the context of transport management, where a transport request is being processed, and there are issues related to the type of request or its status.
Cause: Request Type: The error often arises when the transport request is of a type that does not support delivery. For example, certain types of requests (like customizing requests) may not be eligible for delivery. Status of the Request: The transport request may be in a status that does not allow for delivery, such as being released or not yet released. Transport Directory Issues: There may be issues with the transport directory or configuration that prevent the delivery from being processed. Missing Authorizations: The user may not have the necessary authorizations to perform the delivery operation.
Solution: Check Request Type: Verify the type of transport
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