Really need help with open steam error tried tons of stuff PLZZ HELP

[???BMG|XBC4001]

Hi I'm having this issue with an error iv tried everything to fix it but no go bans don't work please help thankyou


Warning: include(inc/Hook.php): failed to open stream: No such file or directory in C:\xampp\htdocs\opensteam\inc\common.php on line 6

Warning: include(): Failed opening 'inc/Hook.php' for inclusion (include_path='.;C:\xampp\php\PEAR') in C:\xampp\htdocs\opensteam\inc\common.php on line 6

Warning: include(inc/default-constants.php): failed to open stream: No such file or directory in C:\xampp\htdocs\opensteam\inc\common.php on line 7

Warning: include(): Failed opening 'inc/default-constants.php' for inclusion (include_path='.;C:\xampp\php\PEAR') in C:\xampp\htdocs\opensteam\inc\common.php on line 7

and this in server console

[ERROR] lua/opensteam/os_mysqloo.lua:85: bad argument #1 to 'len' (string expected, g
ot nil)
  1. len - [C]:-1
   2. between - lua/opensteam/os_mysqloo.lua:85
    3. fn - lua/opensteam/os_mysqloo.lua:89
     4. unknown - addons/ulib/lua/ulib/shared/hook.lua:184

[JamminR]

Stop posting this specific help request in General Help and Support - that area of the forum is intended for Ulysses project discussion.
OpenSteam is not a Ulysses project.
Though this COULD fit in Developers corner, currently, OffTopic is the best discussion area.