Warning:  [mysql error 145] Table '.\sys\skydive_sessions' is marked as crashed and should be repaired

SELECT data
  FROM skydive_sessions
  WHERE id = '03917tv809ujgeefnqlofts8cdgn6s'
; in C:\inetpub\wwwroot\skydivesergio\include\dblayer\functions_mysqli.inc.php on line 847

Warning: session_start(): Failed to read session data: user (path: C:\WINDOWS\Temp\) in C:\inetpub\wwwroot\skydivesergio\include\common.inc.php on line 150

Fatal error: Uncaught Error: Call to a member function fetch_assoc() on bool in C:\inetpub\wwwroot\skydivesergio\include\dblayer\functions_mysqli.inc.php:211 Stack trace: #0 C:\inetpub\wwwroot\skydivesergio\include\functions_session.inc.php(133): pwg_db_fetch_assoc() #1 [internal function]: pwg_session_read() #2 C:\inetpub\wwwroot\skydivesergio\include\common.inc.php(150): session_start() #3 C:\inetpub\wwwroot\skydivesergio\index.php(11): include_once('C:\\inetpub\\wwwr...') #4 {main} thrown in C:\inetpub\wwwroot\skydivesergio\include\dblayer\functions_mysqli.inc.php on line 211