Unable to complete the url kibana

Elastic Stack Kibana
1

When reloading the same URL, i am getting this error.

Kibana Version : 6.8.1

2

Is "Kibana Version : 6.2.x" the error? Or did it not post correctly?

3

I have modified exact version. Please let me know the solution. we are using enterprise license only. Which settings need to be modified it should not change the URL when reload