20 question technology quiz pick one answer per question

{"code":"internal_server_error","message":"

There has been a critical error on this website.<\/p>

Learn more about troubleshooting WordPress.<\/a><\/p>","data":{"status":500,"error":{"type":1,"message":"Uncaught Error: Non-static method Inc\\Base\\QuexpDBTableCall::quexp_quizzes_table() cannot be called statically in \/home\/c4k\/public_html\/wp-content\/plugins\/quiz-expert\/templates\/front-qp.php:17\nStack trace:\n#0 \/home\/c4k\/public_html\/wp-content\/plugins\/quiz-expert\/inc\/Base\/QuexpShortCode.php(26): require_once()\n#1 \/home\/c4k\/public_html\/wp-includes\/shortcodes.php(434): Inc\\Base\\QuexpShortCode->quexp_front_post_sc()\n#2 [internal function]: do_shortcode_tag()\n#3 \/home\/c4k\/public_html\/wp-includes\/shortcodes.php(273): preg_replace_callback()\n#4 \/home\/c4k\/public_html\/wp-includes\/class-wp-hook.php(324): do_shortcode()\n#5 \/home\/c4k\/public_html\/wp-includes\/plugin.php(205): WP_Hook->apply_filters()\n#6 \/home\/c4k\/public_html\/wp-includes\/post-template.php(256): apply_filters()\n#7 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/templates\/parts\/content\/singular\/page_content.php(16): the_content()\n#8 \/home\/c4k\/public_html\/wp-includes\/template.php(812): require('...')\n#9 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(1091): load_template()\n#10 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(1062): CZR_View->czr_fn_render()\n#11 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(173): CZR_View->czr_fn_maybe_render()\n#12 \/home\/c4k\/public_html\/wp-includes\/class-wp-hook.php(324): CZR_Model->czr_fn_maybe_hook_or_render_view()\n#13 \/home\/c4k\/public_html\/wp-includes\/class-wp-hook.php(348): WP_Hook->apply_filters()\n#14 \/home\/c4k\/public_html\/wp-includes\/plugin.php(517): WP_Hook->do_action()\n#15 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(1010): do_action()\n#16 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(138): CZR_View->__construct()\n#17 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(109): CZR_Model->czr_fn_maybe_instantiate_view()\n#18 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(729): CZR_Model->__construct()\n#19 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(492): CZR_Collection->czr_fn_instantiate_model()\n#20 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/functions-ccat.php(296): CZR_Collection->czr_fn_register()\n#21 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/functions-ccat.php(213): czr_fn_register()\n#22 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/templates\/parts\/loop.php(64): czr_fn_render_template()\n#23 \/home\/c4k\/public_html\/wp-includes\/template.php(812): require('...')\n#24 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(1091): load_template()\n#25 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(1062): CZR_View->czr_fn_render()\n#26 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(173): CZR_View->czr_fn_maybe_render()\n#27 \/home\/c4k\/public_html\/wp-includes\/class-wp-hook.php(324): CZR_Model->czr_fn_maybe_hook_or_render_view()\n#28 \/home\/c4k\/public_html\/wp-includes\/class-wp-hook.php(348): WP_Hook->apply_filters()\n#29 \/home\/c4k\/public_html\/wp-includes\/plugin.php(517): WP_Hook->do_action()\n#30 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(1010): do_action()\n#31 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(138): CZR_View->__construct()\n#32 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(109): CZR_Model->czr_fn_maybe_instantiate_view()\n#33 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(729): CZR_Model->__construct()\n#34 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/fmk-ccat.php(492): CZR_Collection->czr_fn_instantiate_model()\n#35 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/functions-ccat.php(296): CZR_Collection->czr_fn_register()\n#36 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/functions-ccat.php(213): czr_fn_register()\n#37 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/templates\/index-no-model.php(121): czr_fn_render_template()\n#38 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/init.php(568): require_once('...')\n#39 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/core\/init.php(230): CZR___->czr_fn_require_once()\n#40 \/home\/c4k\/public_html\/wp-includes\/class-wp-hook.php(324): CZR___->czr_fn_load_modern_template_with_no_model()\n#41 \/home\/c4k\/public_html\/wp-includes\/class-wp-hook.php(348): WP_Hook->apply_filters()\n#42 \/home\/c4k\/public_html\/wp-includes\/plugin.php(517): WP_Hook->do_action()\n#43 \/home\/c4k\/public_html\/wp-content\/themes\/customizr\/index.php(10): do_action()\n#44 \/home\/c4k\/public_html\/wp-includes\/template-loader.php(106): include('...')\n#45 \/home\/c4k\/public_html\/wp-blog-header.php(19): require_once('...')\n#46 \/home\/c4k\/public_html\/index.php(17): require('...')\n#47 {main}\n thrown","file":"\/home\/c4k\/public_html\/wp-content\/plugins\/quiz-expert\/templates\/front-qp.php","line":17}},"additional_errors":[]}