Error: mysqli_connect(): (28000/1045): Access denied for user 'root'@'localhost' (using password: YES)

#0 [internal function]: cmg_exceptionErrorHandler(2, 'mysqli_connect(...', '/home/old.ecvac...', 458, Array)
#1 /home/old.ecvacanze.it/public_html/camargue/src/@lib/sancho/sancho.php(458): mysqli_connect('localhost', 'root', 'JMKTg4ew4', 'ecvacanze_it', '3306')
#2 /home/old.ecvacanze.it/public_html/camargue/src/cmg/camargue.php(295): Sancho->__construct('ecvacanze_it', 'root', 'JMKTg4ew4', 'localhost', NULL, Object(CmgClassLoader), '/home/old.ecvac...')
#3 /home/old.ecvacanze.it/public_html/camargue/src/cmg/camargue.php(316): Cmg::connectSancho()
#4 /home/old.ecvacanze.it/public_html/camargue/src/cmg/camargue.php(618): Cmg::sancho()
#5 /home/old.ecvacanze.it/public_html/camargue/src/cmg/camargue.php(553): Cmg::curUserId()
#6 /home/old.ecvacanze.it/public_html/camargue/src/cmg/MediaServer/index.php(14): Cmg::objectById('28115')
#7 /home/old.ecvacanze.it/public_html/camargue/src/cmg/camargue.php(1200): cmg_MediaServer->run(Array)
#8 /home/old.ecvacanze.it/public_html/camargue/src/cmg/call/index.php(16): Cmg::callMethod('cmg/MediaServer', Array, 'done')
#9 /home/old.ecvacanze.it/public_html/camargue/src/cmg/camargue.php(1200): cmg_call->run(Array)
#10 /home/old.ecvacanze.it/public_html/camargue/src/cmg/camargue.php(2091): Cmg::callMethod('cmg/call', Array)
#11 /home/old.ecvacanze.it/public_html/index.php(10): Cmg::hiYo('/camargue/src')
#12 {main}