I’m trying to install the OMP on Debian 10, but I’m stuck on the white page after pressing the button to install. Here is a log of the error:
[Sat Oct 12 19:36:07.048266 2019] [php7:warn] [pid 12724] [client ::1:47368] PHP Warning: Declaration of InstallHandler::validate($request) should be compatible with PKPHandler::validate($requiredContexts = NULL, $request = NULL) in /var/www/html/omp/lib/pkp/pages/install/InstallHandler.inc.php on line 0
[Sat Oct 12 19:36:08.112005 2019] [php7:warn] [pid 12724] [client ::1:47368] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /var/www/html/omp/cache/t_compile/e8ea13aa559bf8604ca823015b397a28d8666486^28682bb3d6b6e750ebd3d458abc8f92b4da9ea9f_0.app.headerusernav.tpl.php on line 136, referer: http://localhost/omp/index.php/index/install
[Sat Oct 12 19:36:45.946200 2019] [php7:warn] [pid 14846] [client ::1:47384] PHP Warning: Declaration of InstallHandler::validate($request) should be compatible with PKPHandler::validate($requiredContexts = NULL, $request = NULL) in /var/www/html/omp/lib/pkp/pages/install/InstallHandler.inc.php on line 0, referer: http://localhost/omp/index.php/index/install
[Sat Oct 12 19:36:45.969534 2019] [php7:error] [pid 14846] [client ::1:47384] PHP Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /var/www/html/omp/lib/pkp/lib/adodb/drivers/adodb-mysql.inc.php:456\nStack trace:\n#0 /var/www/html/omp/lib/pkp/lib/adodb/adodb.inc.php(558): ADODB_mysql->_connect(‘localhost’, ‘’, ‘’, ‘’)\n#1 /var/www/html/omp/lib/pkp/classes/db/DBConnection.inc.php(151): ADOConnection->Connect(‘localhost’, ‘’, ‘’, NULL, false)\n#2 /var/www/html/omp/lib/pkp/classes/db/DBConnection.inc.php(126): DBConnection->connect()\n#3 /var/www/html/omp/lib/pkp/classes/db/DBConnection.inc.php(113): DBConnection->initConn()\n#4 /var/www/html/omp/lib/pkp/classes/db/DBConnection.inc.php(55): DBConnection->initCustomDBConnection(‘mysql’, ‘localhost’, ‘’, ‘’, NULL, false, ‘utf8’)\n#5 /var/www/html/omp/lib/pkp/classes/install/PKPInstall.inc.php(76): DBConnection->__construct(‘mysql’, ‘localhost’, ‘’, ‘’, NULL, false, ‘utf8’)\n#6 /var/www/html/omp/lib/pkp/classes/install/Installer.inc.php(178): PKPInstall->preInstall()\n#7 /var/www/html/omp/lib/pkp/c in /var/www/html/omp/lib/pkp/lib/adodb/drivers/adodb-mysql.inc.php on line 456, referer: http://localhost/omp/index.php/index/install
I’ve already tried the things wroten on this page: When I click some button or follow some link, I'm left with a blank page. What do I do?
but it’s still not working.
Does anyone know how to solve this issue?