Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "my_acf_init" not found or invalid function name in /home/u155605129/domains/peyvanduk.com/public_html/wp-includes/class-wp-hook.php:324 Stack trace: #0 /home/u155605129/domains/peyvanduk.com/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #1 /home/u155605129/domains/peyvanduk.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #2 /home/u155605129/domains/peyvanduk.com/public_html/wp-content/plugins/advanced-custom-fields-pro/acf.php(435): do_action() #3 /home/u155605129/domains/peyvanduk.com/public_html/wp-includes/class-wp-hook.php(324): ACF->init() #4 /home/u155605129/domains/peyvanduk.com/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #5 /home/u155605129/domains/peyvanduk.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #6 /home/u155605129/domains/peyvanduk.com/public_html/wp-settings.php(727): do_action() #7 /home/u155605129/domains/peyvanduk.com/public_html/wp-config.php(96): require_once('/home/u15560512...') #8 /home/u155605129/domains/peyvanduk.com/public_html/wp-load.php(50): require_once('/home/u15560512...') #9 /home/u155605129/domains/peyvanduk.com/public_html/xmlrpc.php(29): require_once('/home/u15560512...') #10 {main} thrown in /home/u155605129/domains/peyvanduk.com/public_html/wp-includes/class-wp-hook.php on line 324