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

SELECT data
  FROM piwigo_sessions
  WHERE id = '1261vola8nm4btd2padno0e1g71m0o'
; in C:\inetpub\wwwroot\ku\photos\include\dblayer\functions_mysqli.inc.php on line 845

Warning: session_start(): Failed to read session data: user (path: C:\Windows\temp) in C:\inetpub\wwwroot\ku\photos\include\common.inc.php on line 156

Fatal error: Uncaught Error: Call to a member function fetch_assoc() on boolean in C:\inetpub\wwwroot\ku\photos\include\dblayer\functions_mysqli.inc.php:226 Stack trace: #0 C:\inetpub\wwwroot\ku\photos\include\functions_session.inc.php(148): pwg_db_fetch_assoc(false) #1 [internal function]: pwg_session_read('vola8nm4btd2pad...') #2 C:\inetpub\wwwroot\ku\photos\include\common.inc.php(156): session_start() #3 C:\inetpub\wwwroot\ku\photos\index.php(26): include_once('C:\\inetpub\\wwwr...') #4 {main} thrown in C:\inetpub\wwwroot\ku\photos\include\dblayer\functions_mysqli.inc.php on line 226