保存用例时报错

metesphere版本:3.6.5
遇到保存用例时报错:### Error querying database. Cause: org.apache.ibatis.executor.BatchExecutorException: io.metersphere.functional.mapper.FunctionalCaseMapper.insertSelective (batch index #3) failed. 2 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Duplicate entry ‘176094321154900000’ for key ‘functional_case.PRIMARY’ ### The error may exist in io/metersphere/functional/mapper/FunctionalCaseModuleMapper.xml ### The error may involve io.metersphere.functional.mapper.FunctionalCaseModuleMapper.selectByExample ### The error occurred while executing a query ### Cause: org.apache.ibatis.executor.BatchExecutorException: io.metersphere.functional.mapper.FunctionalCaseMapper.insertSelective (batch index #3) failed. 2 prior sub executor(s) completed successfully, but will be rolled back. Cause: java.sql.BatchUpdateException: Duplicate entry ‘176094321154900000’ for key ‘functional_case.PRIMARY’,是什么原因呢