Message type: E = Error
Message class:  CNV_IUUC_REPL_ADV_SE - MEssage class for package CNV_IUUC_REPL_ADV_SETTINGS 
Message number: 070
Message text: Template & doesn't exist
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_IUUC_REPL_ADV_SE070 typically indicates that a specific template does not exist in the system. This error is often encountered in the context of SAP Landscape Transformation (SLT) or data replication scenarios, particularly when working with Advanced Replication settings.
Cause: Missing Template: The error suggests that the system is trying to access a template that has not been created or is not available in the specified location. Incorrect Configuration: There may be a misconfiguration in the replication setup, leading to the system looking for a non-existent template. Transport Issues: If the template was supposed to be transported from another system, it may not have been successfully transported. Version Compatibility: The template might be incompatible with the current version of the software or the specific configuration of the system.
Solution: Check Template Existence: Verify if the template in question exists in the system. You can do this by navigating to the relevant transaction or table where
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_IUUC_REPL_ADV_SE069 Enter the template name
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_IUUC_REPL_ADV_SE068 Replication Logging - General Settings saved successfully
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_IUUC_REPL_ADV_SE071 Template successfully created
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_IUUC_REPL_ADV_SE072 Template Component successfully created
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.