i had set with at php 5.6 as i was trying to install dolphin and it happens during UNA install. I went back in and changed it back to php 7.0. however it now gave me new errors! lol

Fatal error:  Uncaught Error: Function name must be a string in /home/trader/public_html/UNA-v.9.0.0-RC9/inc/classes/BxDolDb.php:161 Stack trace: #0 /home/trader/public_html/UNA-v.9.0.0-RC9/inc/classes/BxDolDb.php(117): BxDolDb->connect() #1 /home/trader/public_html/UNA-v.9.0.0-RC9/install/classes/BxDolInstallSiteConfig.php(326): BxDolDb::getInstanceWithConf(Array, '') #2 /home/trader/public_html/UNA-v.9.0.0-RC9/install/classes/BxDolInstallSiteConfig.php(296): BxDolInstallSiteConfig->processConfigDataDb(Array) #3 /home/trader/public_html/UNA-v.9.0.0-RC9/install/classes/BxDolInstallSiteConfig.php(246): BxDolInstallSiteConfig->processConfigData(Array) #4 /home/trader/public_html/UNA-v.9.0.0-RC9/install/classes/BxDolInstallController.php(89): BxDolInstallSiteConfig->getFormHtml() #5 /home/trader/public_html/UNA-v.9.0.0-RC9/install/classes/BxDolInstallController.php(24): BxDolInstallController->actionSiteConfig() #6 /home/trader/public_html/UNA-v.9.0.0-RC9/install/index.php(53): BxDolInstallController->run('site_config') #7 {m in /home/trader/public_html/UNA-v.9.0.0-RC9/inc/classes/BxDolDb.php on line 161