After clean cache [Advanced Parameters -> Performance] from prestashop backend we got this error

sayyedyusuf1990 2020-11-30 13:57:20 UTC #1

hello all
i am using prestashop 1.7.5.0 some page given error 500
then am clear cache from admin>administrator>performance>catche >clear all

then I got a blank page

then I remove/var/cache/dev or prod directory but the problem still the same.

thanks in advance.

Fatal error: Uncaught Error: Class 'Db' not found in /opt/bitnami/apps/prestashop/htdocs/config/alias.php:48 Stack trace: #0 /opt/bitnami/apps/prestashop/htdocs/config/alias.php(53): pSQL('configuration') #1 /opt/bitnami/apps/prestashop/htdocs/classes/Configuration.php(155): bqSQL('configuration') #2 /opt/bitnami/apps/prestashop/htdocs/classes/Configuration.php(209): ConfigurationCore::loadConfiguration() #3 /opt/bitnami/apps/prestashop/htdocs/classes/PrestaShopAutoload.php(171): ConfigurationCore::get('PS_DISABLE_OVER...') #4 /opt/bitnami/apps/prestashop/htdocs/classes/PrestaShopAutoload.php(130): PrestaShopAutoload->generateIndex() #5 [internal function]: PrestaShopAutoload->load('Db') #6 /opt/bitnami/apps/prestashop/htdocs/config/alias.php(48): spl_autoload_call('Db') #7 /opt/bitnami/apps/prestashop/htdocs/config/alias.php(53): pSQL('configuration') #8 /opt/bitnami/apps/prestashop/htdocs/classes/Configuration.php(155): bqSQL('configuration') #9 /opt/bitnami/apps/prestashop/htdocs/classes/Configuration.php(209): Configu in /opt/bitnami/apps/prestashop/htdocs/config/alias.php on line 48

davidg 2020-12-01 10:01:57 UTC #2

Hello @sayyedyusuf1990,

We have a Support Tool that will gather relevant information for us to analyze your configuration and logs. Could you please execute it on the machine where the stack is running by following the steps described in the guide below?

Please note that you need to paste the code ID that is shown at the end.

system 2020-12-15 10:02:00 UTC #3

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