How To Fix CNV_IUUC_DB_CONN116 - Error reading table list: Neither schema nor pattern specified

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_DB_CONN - db connection

• Message number: 116

• Message text: Error reading table list: Neither schema nor pattern specified

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_DB_CONN116 - Error reading table list: Neither schema nor pattern specified ?

  The SAP error message CNV_IUUC_DB_CONN116 indicates that there is an issue with reading the table list due to the absence of a specified schema or pattern. This error typically occurs in the context of database connections, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools.
  Cause:
  
  Missing Schema or Pattern: The error arises when the system attempts to read a list of tables but does not have a schema or pattern defined to identify which tables to read.
  Configuration Issues: There may be misconfigurations in the connection settings or parameters that are supposed to define the schema or table patterns.
  Database Connection Problems: Issues with the database connection itself, such as incorrect credentials or network problems, can also lead to this error.
  
  Solution:
  
  
  Specify Schema or Pattern:
  
  Ensure that you have specified the schema name or a pattern for the tables you want to read. This can usually be done in the configuration settings of the tool you are using (e.g., SLT).
  If you are using a specific transaction or program, check the input parameters to ensure that the schema or table pattern is correctly defined.
  
  
  
  Check Configuration Settings:
  
  Review the configuration settings for the database connection. Make sure that all required parameters are filled in correctly, including the schema name.
  If you are using a custom program or script, verify that it is correctly passing the schema or pattern to the database connection.
  
  
  
  Test Database Connection:
  
  Verify that the database connection is working properly. You can do this by testing the connection in the SAP GUI or using a database client.
  Check for any network issues or authentication problems that might be preventing access to the database.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific tool or module you are using to ensure that you are following the correct procedures for defining schemas and patterns.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system and any related components are up to date. Sometimes, bugs in earlier versions can lead to unexpected errors.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently publishes notes that provide solutions or workarounds for specific error messages.
  Logs and Traces: Review the logs and traces generated by the system to gather more context about the error. This can help in diagnosing the root cause.
  Community Forums: Consider searching or posting on SAP community forums or support channels for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to resolve the CNV_IUUC_DB_CONN116 error and successfully read the table list as intended.