Message type: E = Error
Message class:  CNV_PE_TPM - Messages within transport management functions 
Message number: 025
Message text: Transformation rules from own and used repositories are included
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 CNV_PE_TPM025 typically occurs during data migration or transformation processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services. This error indicates that transformation rules from both the user's own repository and the used repositories are being included, which can lead to conflicts or ambiguities in the transformation process.
Cause: Conflicting Transformation Rules: The error arises when there are overlapping or conflicting transformation rules defined in different repositories. This can happen if the same transformation logic is defined in both the user's custom repository and a standard or third-party repository. Repository Configuration: The configuration of the repositories may not be set up correctly, leading to the inclusion of rules from multiple sources. Data Model Changes: Changes in the data model or structure may lead to inconsistencies in the transformation rules.
Solution: Review Transformation Rules: Check the transformation rules defined in both the custom and used repositories. Identify any conflicts or
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_PE_TPM024 Duplicate record (see context)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_TPM023 Duplicate records in table &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_TPM026 Transformation rule &1 is not included
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE_TPM027 Transformation rule &1 is not included (not a PE repository)
What causes this issue?  The transformation rule &V1& (ID &V2&) is used by the Posting Engine object or one of the dependent objects a...
Click on this link to search all SAP messages.