Stack trace:
#0 /home/gogoco/public_html/wp-content/plugins/a-z-listing/partials/class-a-z-listing.php(71): A_Z_Listing::get_alphabet()
#1 /home/gogoco/public_html/wp-content/plugins/a-z-listing/partials/a-z-shortcode.php(157): A_Z_Listing->__construct(Array)
#2 /home/gogoco/public_html/wp-includes/shortcodes.php(319): a_z_shortcode_handler(Array, ”, ‘a-z-listing’)
#3 [internal function]: do_shortcode_tag(Array)
#4 /home/gogoco/public_html/wp-includes/shortcodes.php(197): preg_replace_callback(‘/\\[(\\[?)(a\\-z\\-…’, ‘do_shortcode_ta…’, ‘[a-z-listing]\n’)
#5 /home/gogoco/public_html/wp-includes/class-wp-hook.php(286): do_shortcode(‘[a-z-listing]\n’)
#6 /home/gogoco/public_html/wp-includes/plugin.php(203): WP_Hook->apply_filters(‘[a-z-listing]\n’, Array)
#7 /home/gogoco/public_html/wp-includes/post-template.php(240): apply_filters(‘the_content’ in /home/gogoco/public_html/wp-content/plugins/a-z-listing/partials/class-a-z-listing.php on line 204
***this is Error Log***
