What take place when website crash down in Drupal

At the point when the direct of the site is customary or in the event that you introduced an unpredictable module, at that point it gives the site experienced mistakes. botches is demonstrated underneath in rates.

The website encountered an unexpected error. Please try again later.

At that time page is blank and displays the above error. After that, I found the update script and followed up with the performance section in the admin configuration having clear all cache which solves the majority problems to fix the error.

Clear all cache is quick to fix and effective but sometimes it does not resolve the issue.

Clear all cache

[d8-root]/admin/config/development/performance

Then further next run the cron.

Run Cron

Go to the page 'Reports' > 'Status Reports' and click Run cron near the top of the page.

rebuild.php

Run 'rebuild.php' which can update the script with 'update.php'

Then check the View the Syslog

If the issue is not resolved yet then check the watchdog table in the database to check the issue and its type.