Site error occured wheh hosted new server

i trying to host my drupa site in new digital ocean server… where site was successfully loading but with some errors occured and after lodin headers are missing …

please find screenshot below and please let me know how to solve this problem immediately …i

@polaiah102 can you find the error in your Apache/PHP error logs and paste it here? Drupal only shows the generic “website encountered an unexpected error” message in the UI, but the actual error will appear in the logs.