System error

error:  install_driver(mysql) failed: Can't locate DBD/mysql.pm in @INC (you may need to install the DBD::mysql module) (@INC contains: /etc/apache2/perl/share/perl/5.30.0 /etc/apache2/perl/lib/x86_64-linux-gnu/perl/5.30.0 /etc/apache2/perl /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.30.0 /usr/local/share/perl/5.30.0 /usr/lib/x86_64-linux-gnu/perl5/5.30 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.30 /usr/share/perl/5.30 /usr/local/lib/site_perl /etc/apache2) at (eval 92) line 3.

Stack:
[(eval 92):3]
[/usr/lib/x86_64-linux-gnu/perl5/5.30/DBI.pm:660]
[/var/www/research/glossary/common.mason:179]
Perhaps the DBD::mysql perl module hasn't been fully installed,
or perhaps the capitalisation of 'mysql' isn't right.
Available drivers: SQLite.
at /var/www/research/glossary/common.mason line 179.
context: 
... 
287:  local @CARP_NOT = $cgc ? $cgc->() : caller();
288:  shortmess_heavy(@_);
289:  }
290: 
291:  sub croak { die shortmess @_ }
292:  sub confess { die longmess @_ }
293:  sub carp { warn shortmess @_ }
294:  sub cluck { warn longmess @_ }
295: 
... 
code stack:  /usr/share/perl/5.30/Carp.pm:291
/usr/lib/x86_64-linux-gnu/perl5/5.30/DBI.pm:815
/usr/lib/x86_64-linux-gnu/perl5/5.30/DBI.pm:660
/var/www/research/glossary/common.mason:179
raw error






























install_driver(mysql) failed: Can't locate DBD/mysql.pm in @INC (you may need to install the DBD::mysql module) (@INC contains: /etc/apache2/perl/share/perl/5.30.0 /etc/apache2/perl/lib/x86_64-linux-gnu/perl/5.30.0 /etc/apache2/perl /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.30.0 /usr/local/share/perl/5.30.0 /usr/lib/x86_64-linux-gnu/perl5/5.30 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.30 /usr/share/perl/5.30 /usr/local/lib/site_perl /etc/apache2) at (eval 92) line 3.

Stack:
  [(eval 92):3]
  [/usr/lib/x86_64-linux-gnu/perl5/5.30/DBI.pm:660]
  [/var/www/research/glossary/common.mason:179]
Perhaps the DBD::mysql perl module hasn't been fully installed,
or perhaps the capitalisation of 'mysql' isn't right.
Available drivers: SQLite.
 at /var/www/research/glossary/common.mason line 179.


Trace begun at /usr/share/perl5/HTML/Mason/Exceptions.pm line 125
HTML::Mason::Exceptions::rethrow_exception('install_driver(mysql) failed: Can\'t locate DBD/mysql.pm in @INC (you may need to install the DBD::mysql module) (@INC contains: /etc/apache2/perl/share/perl/5.30.0 /etc/apache2/perl/lib/x86_64-linux-gnu/perl/5.30.0 /etc/apache2/perl /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.30.0 /usr/local/share/perl/5.30.0 /usr/lib/x86_64-linux-gnu/perl5/5.30 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.30 /usr/share/perl/5.30 /usr/local/lib/site_perl /etc/apache2) at (eval 92) line 3.^J^JStack:^J  [(eval 92):3]^J  [/usr/lib/x86_64-linux-gnu/perl5/5.30/DBI.pm:660]^J  [/var/www/research/glossary/common.mason:179]^JPerhaps the DBD::mysql perl module hasn\'t been fully installed,^Jor perhaps the capitalisation of \'mysql\' isn\'t right.^JAvailable drivers: SQLite.^J at /var/www/research/glossary/common.mason line 179.^J') called at /usr/share/perl/5.30/Carp.pm line 291
Carp::croak('install_driver(mysql) failed: Can\'t locate DBD/mysql.pm in @INC (you may need to install the DBD::mysql module) (@INC contains: /etc/apache2/perl/share/perl/5.30.0 /etc/apache2/perl/lib/x86_64-linux-gnu/perl/5.30.0 /etc/apache2/perl /etc/perl /usr/local/lib/x86_64-linux-gnu/perl/5.30.0 /usr/local/share/perl/5.30.0 /usr/lib/x86_64-linux-gnu/perl5/5.30 /usr/share/perl5 /usr/lib/x86_64-linux-gnu/perl/5.30 /usr/share/perl/5.30 /usr/local/lib/site_perl /etc/apache2) at (eval 92) line 3.^J^JStack:^J  [(eval 92):3]^J  [/usr/lib/x86_64-linux-gnu/perl5/5.30/DBI.pm:660]^J  [/var/www/research/glossary/common.mason:179]^JPerhaps the DBD::mysql perl module hasn\'t been fully installed,^Jor perhaps the capitalisation of \'mysql\' isn\'t right.^JAvailable drivers: SQLite.^J') called at /usr/lib/x86_64-linux-gnu/perl5/5.30/DBI.pm line 815
DBI::install_driver('DBI', 'mysql') called at /usr/lib/x86_64-linux-gnu/perl5/5.30/DBI.pm line 660
DBI::connect('DBI', 'DBI:mysql:glossary3:localhost', 'reader', 'Botryllus') called at /var/www/research/glossary/common.mason line 179
HTML::Mason::Commands::__ANON__('term', 'Movable spine') called at /usr/share/perl5/HTML/Mason/Component.pm line 135
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x556cf1a504b0)', 'term', 'Movable spine') called at /usr/share/perl5/HTML/Mason/Request.pm line 1300
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1292
HTML::Mason::Request::comp(undef, undef, undef, 'term', 'Movable spine') called at /usr/share/perl5/HTML/Mason/Request.pm line 481
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 481
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 433
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x556cf1b3a618)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 165
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x556cf1b3a618)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 831
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x556cf1124078)', 'Apache2::RequestRec=SCALAR(0x556cf1c0d0e8)') called at /etc/apache2/MasonHandlers/Glossary.pm line 58
MasonHandlers::Glossary::handler('Apache2::RequestRec=SCALAR(0x556cf1c0d0e8)') called at -e line 0
eval {...} at -e line 0