Slim Application Error

The application could not run because of the following error:

Details

Type: ErrorException
Code: 2
Message: define(): Argument #3 ($case_insensitive) is ignored since declaration of case-insensitive constants is no longer supported
File: /var/www/apps/metroestadistica/lib/ezsql/ezSQLcore.php
Line: 18

Trace

#0 [internal function]: Slim\Slim::handleErrors()
#1 /var/www/apps/metroestadistica/lib/ezsql/ezSQLcore.php(18): define()
#2 /var/www/apps/metroestadistica/lib/ezsql/Autoloader.php(24): require_once('...')
#3 [internal function]: ezSQLAutoloader::autoload()
#4 /var/www/apps/metroestadistica/lib/ezsql/ezSQL_mysqli.php(31): class_exists()
#5 /var/www/apps/metroestadistica/lib/ezsql/Autoloader.php(24): require_once('...')
#6 /var/www/apps/metroestadistica/lib/ezsql/ezSQL.php(11): ezSQLAutoloader::autoload()
#7 /var/www/apps/metroestadistica/lib/visitcounter.php(11): ezSQL::getInstance()
#8 /var/www/apps/metroestadistica/index.php(44): VisitCounter::count()
#9 [internal function]: {closure}()
#10 /var/www/apps/metroestadistica/Slim/Slim.php(1179): call_user_func()
#11 /var/www/apps/metroestadistica/Slim/Slim.php(1325): Slim\Slim->applyHook()
#12 /var/www/apps/metroestadistica/Slim/Middleware/Flash.php(85): Slim\Slim->call()
#13 /var/www/apps/metroestadistica/Slim/Middleware/MethodOverride.php(92): Slim\Middleware\Flash->call()
#14 /var/www/apps/metroestadistica/Slim/Middleware/PrettyExceptions.php(67): Slim\Middleware\MethodOverride->call()
#15 /var/www/apps/metroestadistica/Slim/Slim.php(1271): Slim\Middleware\PrettyExceptions->call()
#16 /var/www/apps/metroestadistica/index.php(49): Slim\Slim->run()
#17 {main}