Message type: E = Error
Message class:  CNV_IUUC_DB_CONN - db connection 
Message number: 013
Message text: An error has occurred (cx_subrc = &1)
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.
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The SAP error message CNV_IUUC_DB_CONN013 typically indicates a database connection issue during a data migration or conversion process, particularly in the context of SAP's Landscape Transformation (SLT) or other data migration tools. The cx_subrc = &1 part of the message indicates a specific return code that can provide more context about the nature of the error. Possible Causes: Database Connection Issues: The system may not be able to connect to the database due to incorrect connection parameters (hostname, port, username, password). Network Issues: There may be network connectivity problems between the SAP application server and the database server. Database Availability: The database might be down or not reachable. Authorization Issues: The user credentials used for the connection may not have the necessary permissions to access the database. Configuration Errors: There may be misconfigurations in the database connection settings in the SAP system. Resource Limitations: The database server may be experiencing resource limitations (e.g., memory, CPU) that prevent
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