Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method YM_Paste::yandexmetrika_paste() cannot be called statically in /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-includes/class-wp-hook.php:324
Stack trace:
#0 /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#1 /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#2 /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-includes/general-template.php(3081): do_action('wp_footer')
#3 /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-content/themes/education-hub/footer.php(55): wp_footer()
#4 /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-includes/template.php(810): require_once('/home/h00127520...')
#5 /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-includes/template.php(745): load_template('/home/h00127520...', true, Array)
#6 /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-includes/general-template.php(92): locate_template(Array, true, true, Array)
#7 /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-content/themes/education-hub/page.php(49): get_footer()
#8 /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-includes/template-loader.php(106): include('/home/h00127520...')
#9 /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-blog-header.php(19): require_once('/home/h00127520...')
#10 /home/h001275204/xn--n1ae6b.xn--p1ai/docs/index.php(17): require('/home/h00127520...')
#11 {main}
thrown in /home/h001275204/xn--n1ae6b.xn--p1ai/docs/wp-includes/class-wp-hook.php on line 324
