Message type: E = Error
Message class:  CNV_IUUC_REPLICATION - IUUC replication messages (HANA) 
Message number: 393
Message text: Error reading configuration data; see next error message for details
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_REPLICATION393 typically occurs in the context of SAP Landscape Transformation (SLT) replication. This error indicates that there is an issue with reading configuration data, which can be due to various reasons. Here’s a breakdown of the potential causes, solutions, and related information: Causes: Missing Configuration: The configuration for the SLT replication might be incomplete or missing. Authorization Issues: The user executing the replication might not have the necessary authorizations to read the configuration data. Technical Issues: There could be underlying technical issues such as database connectivity problems or issues with the SLT server. Incorrect Settings: The settings in the SLT configuration might be incorrect or not aligned with the source or target systems. Transport Issues: If the configuration was recently transported from one system to another, there might be inconsistencies. Solutions: Check Configuration: Verify that the SLT configuration is complete and correctly set up. Ensure that all necessary parameters are defined. Review Authorizations: Ensure that
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_IUUC_REPLICATION392 Ignore the index creation for all key fields
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_REPLICATION391 Error raised by replication listener (see log for details)
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_REPLICATION394 Error while deleting configuration; see next error message for details
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_REPLICATION395 Error reading connection data; Connection Name &1 unknown
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.