@mahalakshmi

PHP Warning: PHP Startup: Unable to load dynamic library 'mailparse.so' (tried: /usr/lib/php/20210902/mailparse.so (/usr/lib/php/20210902/mailparse.so: undefined symbol: mbfl_convert_filter_flush), /usr/lib/php/20210902/mailparse.so.so (/usr/lib/php/20210902/mailparse.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library 'mysqli' (tried: /usr/lib/php/20210902/mysqli (/usr/lib/php/20210902/mysqli: cannot open shared object file: No such file or directory), /usr/lib/php/20210902/mysqli.so (/usr/lib/php/20210902/mysqli.so: undefined symbol: mysqlnd_global_stats))

These errors due to both extension is not installed in your php. Please first install these both extensions:

mailparse extension mysqli extension

For checking the extension installed or not. You will be run the below command:

$ php -m

7daeea61-110b-4ae5-99fa-84dd45a1fcc6-Screenshot from 2023-07-26 18-22-32.png