Message type: E = Error
Message class:  CNV_PE - General messages for posting engine 
Message number: 105
Message text: No interface found
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_PE105: No interface found typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is unable to find a suitable interface for the data transfer or conversion process. Causes: Missing Configuration: The required interface for the data migration might not be configured correctly in the system. Incorrect Mapping: The mapping of the source data to the target structure may not be set up properly, leading to the system not recognizing the interface. Version Mismatch: The version of the migration tool or the source system may not be compatible with the target system. Authorization Issues: The user executing the migration may not have the necessary authorizations to access the required interfaces. Technical Issues: There could be underlying technical issues, such as missing transport requests or incomplete installations. Solutions: Check Configuration: Verify that the necessary interfaces are configured correctly
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_PE104 Synchronization of RFC settings failed; message: &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_PE103 Information for RFC destination (target = &1) of area &2 missing
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. Syst...
CNV_PE106 Config class &1 of transfer method &2 is not valid
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CNV_PE107 Type information missing for parameter &1
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.