vb.org Archive - View Single Post - Error 500 on new posts after upgrade

so upgraded to 4.1.11

nothing weird or anything during the process, have upgraded before with no issues.

but now the forum is generating an error 500 on new posts or replying

the post will show if you go back and refresh the original page

I think it maybe a permissions issue, but I have no clue where or what they should be.

I reuploaded 4.1.11, from scratch, and left the defualt skin and same issue. The permissions on my upgraded forum where mostly 644, now on the fresh install they are 755

The source page of 500 error is blank.

Any ideas?

thanks
-scca

X vBulletin 3.8.12 by vBS Debug Information
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X vBulletin 3.8.12 by vBS Debug Information

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X vBulletin 3.8.12 by vBS Debug Information
Page Generation 0.02303 seconds Memory Usage 1,755KB Queries Executed 11 (?)
More Information
Template Usage: (1)SHOWTHREAD_SHOWPOST (1)ad_footer_end (1)ad_footer_start (1)ad_header_end (1)ad_header_logo (1)ad_navbar_below (1)footer (1)gobutton (1)header (1)headinclude (6)option (1)post_thanks_box (1)post_thanks_button (1)post_thanks_javascript (1)post_thanks_navbar_search (1)post_thanks_postbit_info (1)postbit (1)postbit_onlinestatus (1)postbit_wrapper (1)spacer_close (1)spacer_open Phrase Groups Available: global postbit reputationlevel showthread	Included Files: ./showpost.php ./global.php ./includes/init.php ./includes/class_core.php ./includes/config.php ./includes/functions.php ./includes/class_hook.php ./includes/modsystem_functions.php ./includes/functions_bigthree.php ./includes/class_postbit.php ./includes/class_bbcode.php ./includes/functions_reputation.php ./includes/functions_post_thanks.php Hooks Called: init_startup init_startup_session_setup_start init_startup_session_setup_complete cache_permissions fetch_postinfo_query fetch_postinfo fetch_threadinfo_query fetch_threadinfo fetch_foruminfo style_fetch cache_templates global_start parse_templates global_setup_complete showpost_start bbcode_fetch_tags bbcode_create postbit_factory showpost_post postbit_display_start post_thanks_function_post_thanks_off_start post_thanks_function_post_thanks_off_end post_thanks_function_fetch_thanks_start post_thanks_function_fetch_thanks_end post_thanks_function_thanked_already_start post_thanks_function_thanked_already_end fetch_musername postbit_imicons bbcode_parse_start bbcode_parse_complete_precache bbcode_parse_complete postbit_display_complete post_thanks_function_can_thank_this_post_start showpost_complete
Messages: