Message type: E = Error
Message class:  /SMB/TRANSP_INFRA -  
Message number: 243
Message text: Transport Request &1 contains Reference as well as Customer Content
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.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
The SAP error message /SMB/TRANSP_INFRA243 indicates that a transport request contains both reference objects and customer-specific objects. This situation arises when you attempt to transport a request that includes both types of content, which is not allowed in certain scenarios.
Cause: Mixed Content: The transport request includes both reference objects (standard SAP objects) and customer-specific objects (custom developments or modifications). Transport Layer Restrictions: The transport layer settings may not allow the transport of mixed content due to system configuration or best practices.
Solution: To resolve this error, you can take the following steps: Separate Transport Requests: Create two separate transport requests: one for the reference objects and another for the customer-specific objects. This is the most straightforward solution. You can do this by manually creating a new transport request and moving the relevant objects into the appropriate requests. Check Transport Layer Settings: Review the transport layer settings in your SAP system to ensure that they are configured correctly. You may
Get instant SAP help. Sign up for our Free Essentials Plan. 
/SMB/TRANSP_INFRA242 ... same product version and same content version
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SMB/TRANSP_INFRA241 Manual Improvement of Solution (Report &1)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SMB/TRANSP_INFRA244 Transport Request &1 contains neither Reference nor Customer Content
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/SMB/TRANSP_INFRA245 ..., Delivery Year = &1, Delivery Number = &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.