Error On Installing

Fatal error: Uncaught Error: Call to undefined function imagecreatefrompng() in C:\xampp\htdocs\testrefer\w\wp-content\plugins\multilevel-referral-plugin-for-woocommerce\classes\referral-users.php:1432 Stack trace: #0 C:\xampp\htdocs\testrefer\w\wp-content\plugins\multilevel-referral-plugin-for-woocommerce\classes\referral-users.php(1510): Referal_Users->fnCheckAndGetImageType(‘C:\\xampp\\htdocs…’) #1 C:\xampp\htdocs\testrefer\w\wp-content\plugins\multilevel-referral-plugin-for-woocommerce\classes\referral-users.php(1251): Referal_Users->writeTextonImage(‘Referral Code :…’, ‘C:\\xampp\\htdocs…’, ‘1’) #2 C:\xampp\htdocs\testrefer\w\wp-content\plugins\multilevel-referral-plugin-for-woocommerce\classes\referral-users.php(1090): Referal_Users->wmcShowBanners() #3 C:\xampp\htdocs\testrefer\w\wp-includes\shortcodes.php(343): Referal_Users->referral_user_invite_friends(”, ”, ‘wmc_invite_frie…’) #4 [internal function]: do_shortcode_tag(Array) #5 C:\xampp\htdocs\testrefer\w\wp-includes\shortcodes.php(218): preg_replace_callback(‘/\\[(\\[?)(wmc_in…’, ‘do_shortcode_ta…’, ‘[wmc_invite_fri…’) #6 C:\xampp\htdocs\testrefer\w\wp-content\plugins\multilevel-referral-plugin-for-woocommerce\classes\referral-users.php(914): do_shortcode(‘[wmc_invite_fri…’, true) #7 C:\xampp\htdocs\testrefer\w\wp-includes\shortcodes.php(343): Referal_Users->wmc_my_referrals(”, ”, ‘wmc_my_referral…’) #8 [internal function]: do_shortcode_tag(Array) #9 C:\xampp\htdocs\testrefer\w\wp-includes\shortcodes.php(218): preg_replace_callback(‘/\\[(\\[?)(wmc_my…’, ‘do_shortcode_ta…’, ‘[wmc_my_referra…’) #10 C:\xampp\htdocs\testrefer\w\wp-content\plugins\multilevel-referral-plugin-for-woocommerce\classes\referral-users.php(888): do_shortcode(‘[wmc_my_referra…’) #11 C:\xampp\htdocs\testrefer\w\wp-content\plugins\multilevel-referral-plugin-for-woocommerce\classes\referral-users.php(2980): Referal_Users->referral_user_account_panel() #12 C:\xampp\htdocs\testrefer\w\wp-includes\class-wp-hook.php(292): Referal_Users->woocommerce_account_referral_endpoint_hook(”) #13 C:\xampp\htdocs\testrefer\w\wp-includes\class-wp-hook.php(316): WP_Hook->apply_filters(”, Array) #14 C:\xampp\htdocs\testrefer\w\wp-includes\plugin.php(484): WP_Hook->do_action(Array) #15 C:\xampp\htdocs\testrefer\w\wp-content\plugins\woocommerce\includes\wc-template-functions.php(3131): do_action(‘woocommerce_acc…’, ”) #16 C:\xampp\htdocs\testrefer\w\wp-includes\class-wp-hook.php(292): woocommerce_account_content(”) #17 C:\xampp\htdocs\testrefer\w\wp-includes\class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #18 C:\xampp\htdocs\testrefer\w\wp-includes\plugin.php(484): WP_Hook->do_action(Array) #19 C:\xampp\htdocs\testrefer\w\wp-content\plugins\woocommerce\templates\myaccount\my-account.php(34): do_action(‘woocommerce_acc…’) #20 C:\xampp\htdocs\testrefer\w\wp-content\plugins\woocommerce\includes\wc-core-functions.php(345): include(‘C:\\xampp\\htdocs…’) #21 C:\xampp\htdocs\testrefer\w\wp-content\plugins\woocommerce\includes\shortcodes\class-wc-shortcode-my-account.php(123): wc_get_template(‘myaccount/my-ac…’, Array) #22 C:\xampp\htdocs\testrefer\w\wp-content\plugins\woocommerce\includes\shortcodes\class-wc-shortcode-my-account.php(72): WC_Shortcode_My_Account::my_account(”) #23 C:\xampp\htdocs\testrefer\w\wp-content\plugins\woocommerce\includes\class-wc-shortcodes.php(72): WC_Shortcode_My_Account::output(”) #24 C:\xampp\htdocs\testrefer\w\wp-content\plugins\woocommerce\includes\class-wc-shortcodes.php(115): WC_Shortcodes::shortcode_wrapper(Array, ”) #25 C:\xampp\htdocs\testrefer\w\wp-includes\shortcodes.php(343): WC_Shortcodes::my_account(”, ”, ‘woocommerce_my_…’) #26 [internal function]: do_shortcode_tag(Array) #27 C:\xampp\htdocs\testrefer\w\wp-includes\shortcodes.php(218): preg_replace_callback(‘/\\[(\\[?)(woocom…’, ‘do_shortcode_ta…’, ‘[woocommerce_my…’) #28 C:\xampp\htdocs\testrefer\w\wp-includes\class-wp-hook.php(292): do_shortcode(‘[woocommerce_my…’) #29 C:\xampp\htdocs\testrefer\w\wp-includes\plugin.php(212): WP_Hook->apply_filters(‘[woocommerce_my…’, Array) #30 C:\xampp\htdocs\testrefer\w\wp-includes\post-template.php(253): apply_filters(‘the_content’, ‘\n\t\t\t\t[woocommer…’) #31 C:\xampp\htdocs\testrefer\w\wp-content\themes\astra\template-parts\content-page.php(54): the_content() #32 C:\xampp\htdocs\testrefer\w\wp-includes\template.php(732): require(‘C:\\xampp\\htdocs…’) #33 C:\xampp\htdocs\testrefer\w\wp-includes\template.php(676): load_template(‘C:\\xampp\\htdocs…’, false, Array) #34 C:\xampp\htdocs\testrefer\w\wp-includes\general-template.php(204): locate_template(Array, true, false, Array) #35 C:\xampp\htdocs\testrefer\w\wp-content\themes\astra\inc\class-astra-loop.php(109): get_template_part(‘template-parts/…’, ‘page’) #36 C:\xampp\htdocs\testrefer\w\wp-includes\class-wp-hook.php(292): Astra_Loop->template_parts_page(”) #37 C:\xampp\htdocs\testrefer\w\wp-includes\class-wp-hook.php(316): WP_Hook->apply_filters(”, Array) #38 C:\xampp\htdocs\testrefer\w\wp-includes\plugin.php(484): WP_Hook->do_action(Array) #39 C:\xampp\htdocs\testrefer\w\wp-content\themes\astra\inc\class-astra-loop.php(197): do_action(‘astra_page_temp…’) #40 C:\xampp\htdocs\testrefer\w\wp-content\themes\astra\inc\class-astra-loop.php(174): Astra_Loop->loop_markup(true) #41 C:\xampp\htdocs\testrefer\w\wp-includes\class-wp-hook.php(292): Astra_Loop->loop_markup_page(”) #42 C:\xampp\htdocs\testrefer\w\wp-includes\class-wp-hook.php(316): WP_Hook->apply_filters(”, Array) #43 C:\xampp\htdocs\testrefer\w\wp-includes\plugin.php(484): WP_Hook->do_action(Array) #44 C:\xampp\htdocs\testrefer\w\wp-content\themes\astra\inc\core\theme-hooks.php(267): do_action(‘astra_content_p…’) #45 C:\xampp\htdocs\testrefer\w\wp-content\themes\astra\page.php(32): astra_content_page_loop() #46 C:\xampp\htdocs\testrefer\w\wp-includes\template-loader.php(106): include(‘C:\\xampp\\htdocs…’) #47 C:\xampp\htdocs\testrefer\w\wp-blog-header.php(19): require_once(‘C:\\xampp\\htdocs…’) #48 C:\xampp\htdocs\testrefer\w\index.php(17): require(‘C:\\xampp\\htdocs…’) #49 {main} thrown in C:\xampp\htdocs\testrefer\w\wp-content\plugins\multilevel-referral-plugin-for-woocommerce\classes\referral-users.php on line 1432