A PHP Error was encountered

A PHP Error was encountered Severity: Core Warning Message: PHP Startup: Unable to load dynamic library '/opt/cpanel/ea-php56/root/usr/lib64/php/modules/pdo_mysql.so' - /opt/cpanel/ea-php56/root/usr/lib64/php/modules/pdo_mysql.so: cannot open shared object file: No such file or directory this is my php.ini file script allow_url_fopen = On allow_url_include = Off asp_tags = Off display_errors = On enable_dl = Off file_uploads = On max_execution_time = 60 max_input_time = 60 max_input_vars = 4000 memory_limit = 32M post_max_size = 64M session.gc_maxlifetime = 3600 session.save_path = "/var/cpanel/php/sessions/ea-php71" upload_max_filesize = 64M zlib.output_compression = Off somebody please help me to resolve this issue.