Thread: After activating the Daleel child theme for Vantage - Website gets crashed

After activating the Daleel child theme for Vantage - Website gets crashed

Dear team,

I am unable to use the newly purchased child theme "Daleel" with "Vantage" theme. As soon as I am activating the "Daleel" child theme the website gets crashed with below message and error stack trace, unable to open even admin page to deactivate the child theme. Please help on priority basis. Thanks!

Error Message:
here has been a critical error on this website.
Learn more about troubleshooting WordPress.

Stack Trace:
An error of type E_ERROR was caused in line 35 of the file /public_html/wp-content/themes/daleel/admin/framework/classes/control/fieldmulti.php. Error message: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "daleel_masterslider" not found or invalid function name in /public_html/wp-content/themes/daleel/admin/framework/classes/control/fieldmulti.php:35
Stack trace:
#0 /public_html/wp-content/themes/daleel/admin/framework/classes/control/field/select.php(17): VP_Control_FieldMulti->_basic_make(Array)
#1 /public_html/wp-content/themes/daleel/admin/framework/classes/option/parser.php(122): VP_Control_Field_Select::withArray(Array)
#2 /public_html/wp-content/themes/daleel/admin/framework/classes/option/parser.php(113): VP_Option_Parser->parse_field(Array)
#3 /public_html/wp-content/themes/daleel/admin/framework/classes/option/parser.php(85): VP_Option_Parser->parse_section(Array)
#4 /public_html/wp-content/themes/daleel/admin/framework/classes/option.php(463): VP_Option_Parser->parse_array_options(Array, true)
#5 /public_html/wp-content/themes/daleel/admin/framework/classes/option.php(421): VP_Option->init_options_set()
#6 /public_html/wp-content/themes/daleel/admin/framework/classes/option.php(402): VP_Option->init_options()
#7 /public_html/wp-includes/class-wp-hook.php(310): VP_Option->initial_db_setup('')
#8 /public_html/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters('', Array)
#9 /public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#10 /public_html/wp-content/themes/daleel/admin/framework/classes/option.php(87): do_action('vp_option_first...')
#11 /public_html/wp-content/themes/daleel/admin/theme-admin.php(35): VP_Option->__construct(Array)
#12 /public_html/wp-includes/class-wp-hook.php(310): daleel_init_options('')
#13 /public_html/wp-includes/class-wp-hook.php(334): WP_Hook->apply_filters(NULL, Array)
#14 /public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#15 /public_html/wp-settings.php(610): do_action('after_setup_the...')
#16 /public_html/wp-config.php(96): require_once('...')
#17 /public_html/wp-load.php(50): require_once('...')
#18 /public_html/wp-admin/admin.php(34): require_once('...')
#19 /public_html/wp-admin/themes.php(10): require_once('...')
#20 {main}
thrown