Notice: a plugin conflict has been detected. wpForo forums are affected by other plugin errors.
Please deactivate all plugins, delete all caches and test again.
Then activate all plugins back one by one and find the conflict maker plugin.
WP_Hook Object ( [callbacks] => Array ( [8] => Array ( [0000000064e46a1e0000000058998441run_shortcode] => Array ( [function] => Array ( [0] => WP_Embed Object ( [handlers] => Array ( [10] => Array ( [youtube_embed_url] => Array ( [regex] => #https?://(www.)?youtube\.com/(?:v|embed)/([^/]+)#i [callback] => wp_embed_handler_youtube ) [gist] => Array ( [regex] => /https?:\/\/gist\.github\.com\/([a-zA-Z0-9\/\_\-]+)(?:\#file\-([a-zA-Z0-9\_\-]+))?/ [callback] => coblocks_block_gist_handler ) ) [9999] => Array ( [audio] => Array ( [regex] => #^https?://.+?\.(mp3|ogg|flac|m4a|wav)$#i [callback] => wp_embed_handler_audio ) [video] => Array ( [regex] => #^https?://.+?\.(mp4|m4v|webm|ogv|flv)$#i [callback] => wp_embed_handler_video ) ) ) [post_ID] => [usecache] => 1 [linkifunknown] => 1 [last_attr] => Array ( ) [last_url] => [return_false_on_fail] => ) [1] => run_shortcode ) [accepted_args] => 1 ) [0000000064e46a1e0000000058998441autoembed] => Array ( [function] => Array ( [0] => WP_Embed Object ( [handlers] => Array ( [10] => Array ( [youtube_embed_url] => Array ( [regex] => #https?://(www.)?youtube\.com/(?:v|embed)/([^/]+)#i [callback] => wp_embed_handler_youtube ) [gist] => Array ( [regex] => /https?:\/\/gist\.github\.com\/([a-zA-Z0-9\/\_\-]+)(?:\#file\-([a-zA-Z0-9\_\-]+))?/ [callback] => coblocks_block_gist_handler ) ) [9999] => Array ( [audio] => Array ( [regex] => #^https?://.+?\.(mp3|ogg|flac|m4a|wav)$#i [callback] => wp_embed_handler_audio ) [video] => Array ( [regex] => #^https?://.+?\.(mp4|m4v|webm|ogv|flv)$#i [callback] => wp_embed_handler_video ) ) ) [post_ID] => [usecache] => 1 [linkifunknown] => 1 [last_attr] => Array ( ) [last_url] => [return_false_on_fail] => ) [1] => autoembed ) [accepted_args] => 1 ) ) [9] => Array ( [do_blocks] => Array ( [function] => do_blocks [accepted_args] => 1 ) ) [10] => Array ( [wptexturize] => Array ( [function] => wptexturize [accepted_args] => 1 ) [wpautop] => Array ( [function] => wpautop [accepted_args] => 1 ) [shortcode_unautop] => Array ( [function] => shortcode_unautop [accepted_args] => 1 ) [prepend_attachment] => Array ( [function] => prepend_attachment [accepted_args] => 1 ) [wp_replace_insecure_home_url] => Array ( [function] => wp_replace_insecure_home_url [accepted_args] => 1 ) [sfsi_social_buttons_below] => Array ( [function] => sfsi_social_buttons_below [accepted_args] => 1 ) ) [11] => Array ( [capital_P_dangit] => Array ( [function] => capital_P_dangit [accepted_args] => 1 ) [do_shortcode] => Array ( [function] => do_shortcode [accepted_args] => 1 ) ) [12] => Array ( [wp_filter_content_tags] => Array ( [function] => wp_filter_content_tags [accepted_args] => 1 ) ) [20] => Array ( [convert_smilies] => Array ( [function] => convert_smilies [accepted_args] => 1 ) ) ) [priorities:protected] => Array ( [0] => 8 [1] => 9 [2] => 10 [3] => 11 [4] => 12 [5] => 20 ) [iterations:WP_Hook:private] => Array ( [0] => Array ( [0] => 8 [1] => 9 [2] => 10 [3] => 11 [4] => 12 [5] => 20 ) ) [current_priority:WP_Hook:private] => Array ( [0] => 11 ) [nesting_level:WP_Hook:private] => 1 [doing_action:WP_Hook:private] => )