This configuration was not properly considered, please consider using one of the following solutions:
Use any other type of gasket, eg. elastomer or PTFE. Also increase the gasket thickness to larger than 0.00 (if you are using Design Check method you need to specify adequate dimensions).
This issue has been logged under TFS 69201 and will be fixed in the next version of the application (33.02.00.04 and higher).