Message type: E = Error
Message class:  CNV_IUUC_DB_CONN - db connection 
Message number: 069
Message text: Failed to create DDIC proxy for logging table &1 of table &2.&3
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_DB_CONN069 indicates a failure in creating a Data Dictionary (DDIC) proxy for a logging table associated with a specific table. This error typically arises in the context of data migration or data transformation processes, particularly when using the SAP Landscape Transformation (SLT) replication or other data migration tools.
Cause: Missing or Incomplete Table Definition: The logging table or the source table may not be properly defined in the Data Dictionary (DDIC). This could be due to missing entries or incorrect configurations. Authorization Issues: The user executing the operation may not have the necessary authorizations to create or modify DDIC objects. Database Connection Issues: There may be issues with the database connection, such as network problems or incorrect connection parameters. Technical Settings: The technical settings for the tables may not be correctly configured, leading to issues in creating the proxy. Transport Issues: If the tables were recently transported from another system, there may
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CNV_IUUC_DB_CONN068 Failed to create DDIC proxy &1 for table &2.&3
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_DB_CONN067 Failed to create logging table &1 for table &2
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_DB_CONN070 Failed to activate DDIC proxy &1 for table &2.&3
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_DB_CONN071 Failed to activate DDIC proxy for logging table &1 of table &2.&3
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.