Fatal error: Uncaught Error: Call to undefined function get_user_by() in /home1/navjeeva/public_html/wp-includes/meta.php:1830 Stack trace: #0 /home1/navjeeva/public_html/wp-includes/meta.php(213): get_object_subtype('user', 1) #1 /home1/navjeeva/public_html/wp-includes/user.php(1310): update_metadata('user', 1, '_woo_wallet_pro...', 1, '') #2 /home1/navjeeva/public_html/wp-content/plugins/woo-wallet/includes/helper/woo-wallet-update-functions.php(447): update_user_meta(1, '_woo_wallet_pro...', 1) #3 /home1/navjeeva/public_html/wp-content/plugins/woo-wallet/includes/class-woo-wallet-install.php(268): woo_wallet_update_1611_migrate_promotion_dismissal() #4 /home1/navjeeva/public_html/wp-content/plugins/woo-wallet/includes/class-woo-wallet-install.php(66): Woo_Wallet_Install::update() #5 /home1/navjeeva/public_html/wp-content/plugins/woo-wallet/includes/class-woo-wallet-install.php(286): Woo_Wallet_Install->__construct() #6 /home1/navjeeva/public_html/wp-content/plugins/woo-wallet/includes/class-woo-wallet.php(106): include_once('/home1/navjeeva...') #7 /home1/navjeeva/public_html/wp-content/plugins/woo-wallet/includes/class-woo-wallet.php(74): Woo_Wallet->includes() #8 /home1/navjeeva/public_html/wp-content/plugins/woo-wallet/includes/class-woo-wallet.php(57): Woo_Wallet->__construct() #9 /home1/navjeeva/public_html/wp-content/plugins/woo-wallet/woo-wallet.php(54): Woo_Wallet::instance() #10 /home1/navjeeva/public_html/wp-content/plugins/woo-wallet/woo-wallet.php(57): woo_wallet() #11 /home1/navjeeva/public_html/wp-settings.php(589): include_once('/home1/navjeeva...') #12 /home1/navjeeva/public_html/wp-config.php(95): require_once('/home1/navjeeva...') #13 /home1/navjeeva/public_html/wp-load.php(50): require_once('/home1/navjeeva...') #14 /home1/navjeeva/public_html/wp-blog-header.php(13): require_once('/home1/navjeeva...') #15 /home1/navjeeva/public_html/index.php(17): require('/home1/navjeeva...') #16 {main} thrown in /home1/navjeeva/public_html/wp-includes/meta.php on line 1830