kibana运行失败

我运行了es7.12后，再运行kibana7.12，总是出现如下错误还有其他报警：
[savedobjects-service] TypeError: Cannot read property 'error' of undefined
    at C:\elk\kibana712\src\core\server\saved_objects\migrationsv2\actions\index.js:559:22
    at processTicksAndRejections (internal/process/task_queues.js:93:5)
    at stateActionMachine (C:\elk\kibana712\src\core\server\saved_objects\migrationsv2\state_action_machine.js:63:28)
    at migrationStateActionMachine (C:\elk\kibana712\src\core\server\saved_objects\migrationsv2\migrations_state_action_machine.js:80:24)
    at async Promise.all (index 0)
    at SavedObjectsService.start (C:\elk\kibana712\src\core\server\saved_objects\saved_objects_service.js:163:7)
    at Server.start (C:\elk\kibana712\src\core\server\server.js:283:31)
    at Root.start (C:\elk\kibana712\src\core\server\root\index.js:58:14)
    at bootstrap (C:\elk\kibana712\src\core\server\bootstrap.js:100:5)
    at Command.<anonymous> (C:\elk\kibana712\src\cli\serve\serve.js:169:5)
 
请大神帮我诊断，谢谢！我是新手。