Troubleshooting runtime errors for a business rule data connection - IBM You can troubleshoot the error by identifying missing parameters as the cause of the error, then modifying the data connection information and updating business rule data connection. Procedure. Identi You can troubleshoot the error by identifying missing parameters as the cause of the error, then modifying the data connection information and updating business rule data connection. Procedure. Identify the runtime error generated by missing parameters in the ruleset, or by incorrect RuleApp and ruleset names, as shown in the following examples: