That looks like the error displayed when wt.reporting.thirdParty.enabled is set to false. After installing the Business Reporting module, did you follow the post install actions in the install guide?:
https://support.ptc.com/WCMS/files/155680/en/WCInstallConfigGuide.pdf#Page=179
There are some properties that need to be configured. And then the model needs to be updated and the reports loaded into cognos. After completing the post install actions, you should be able to run reports.