Message type: E = Error
Message class:  CNV_IUUC_REPL_ADV_SE - MEssage class for package CNV_IUUC_REPL_ADV_SETTINGS 
Message number: 099
Message text: Include is inactive
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_SE099: Include is inactive typically occurs in the context of SAP system conversions or data migrations, particularly when using the SAP Landscape Transformation (SLT) replication or the SAP S/4HANA migration process. This error indicates that a specific include file, which is part of the program or function module, is not active in the system.
Cause: Inactive Include: The include file referenced in the error message is not activated in the SAP system. This can happen if the include was recently created or modified and has not been activated. Transport Issues: If the include was transported from another system, it may not have been activated in the target system. Development Environment: If you are working in a development environment, the include may not have been activated after changes were made.
Solution: Activate the Include: Go to the ABAP Editor (Transaction SE38 or SE80). Enter the name of the include file mentioned in the error message. Check
 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_SE098 ABAP source code for the rule contains syntax errors.
What causes this issue?  The system issues an error message and will not allow you to continue with this transaction until the error is resolved.  You...
CNV_IUUC_REPL_ADV_SE097 No syntax errors found
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_SE100 Table &1 does not exist in &2 system
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_SE101 Fieldname & is already available in the original table structure
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.