GOautodial Open Source Omni-channel Contact Center Suite

Hi,
i have the Goautodial v4 final version GOautodial-4-x86_64-Final-20191010-0150.iso , and i got error after updation to the last version of github

####
Fatal error: Uncaught Exception: Incorrect credentials. Access denied or incorrect parameters. in /var/www/html/php/DatabaseConnectorFactory.php:182 Stack trace: #0 /var/www/html/php/DbHandler.php(63): creamy\DatabaseConnectorFactory->getDatabaseConnectorOfTypeKamailio('MySQL') #1 /var/www/html/php/UIHandler.php(81): creamy\DbHandler->_construct() #2 /var/www/html/php/UIHandler.php(66): creamy\UIHandler->_construct() #3 /var/www/html/index.php(38): creamy\UIHandler::getInstance() #4 {main} thrown in /var/www/html/php/DatabaseConnectorFactory.php on line 182 ####

i tested the creadentials of kamailio db (i repaced astguiclient.conf-sample to astguiclient.conf ) and its seams working in cmd but in web page that give me this error

creadentials of kamailio db in astguiclient.conf

#connection to kamailio db
VARDBgokam_server => localhost
VARDBgokam_database => kamailio
VARDBgokam_user => kamailiou
VARDBgokam_pass => kamailiou1234
VARDBgokam_custom_user => kamailiou
VARDBgokam_custom_pass => kamailiou1234
VARDBgokam_port => 3306

any help ?
thanks