**Describe this problem** <!--- What this problem is and what happened. --> ceresdb server is running as single mode, image: ceresdb/ceresdb-server: nightly-20230223-ce9fa87 Report NPE for table error while creating table **Steps to reproduce** <!--- How to reproduce this problem. --> **Expected behavior** <!--- What is expected. --> **Additional Information** <!--- If possible, please attach other context you think may relate to this problem. Like *runtime environment*, *modified config*, *error log* etc. -->