Reports module failed to work and returning 500 error

I have installed vtigercrm opensource version 8.2.0 through docker image [https://hub.docker.com/r/vtigercrm/vtigercrm-8.2.0] when i try to open reports module in browser ..it is showing site cant be reached.Rest of the modules are working fine.

checked config.inc.php file for any errors and installed required php extensions ..still the same issue.If anyone has solution for it please help us