what does this error means and why it show

[aiman.h.kallaf]

i have not done anything different in the past two days
only the usuall making threads

and now i got this error

Mysqli prepare error: Table './FORUM5a64d/xf_search_index' is marked as crashed and should be repaired

1. Zend_Db_Statement_Mysqli->_prepare() in Zend/Db/Statement.php at line 115
2. Zend_Db_Statement->__construct() in Zend/Db/Adapter/Mysqli.php at line 381
3. Zend_Db_Adapter_Mysqli->prepare() in Zend/Db/Adapter/Abstract.php at line 478
4. Zend_Db_Adapter_Abstract->query() in XenForo/Search/SourceHandler/MySqlFt.php at line 103
5. XenForo_Search_SourceHandler_MySqlFt->_pushToIndex() in XenForo/Search/SourceHandler/MySqlFt.php at line 75
6. XenForo_Search_SourceHandler_MySqlFt->insertIntoIndex() in XenForo/Search/Indexer.php at line 44
7. XenForo_Search_Indexer->insertIntoIndex() in XenForo/Search/DataHandler/Post.php at line 51
8. XenForo_Search_DataHandler_Post->_insertIntoIndex() in XenForo/Search/DataHandler/Abstract.php at line 227
9. XenForo_Search_DataHandler_Abstract->insertIntoIndex() in XenForo/DataWriter/DiscussionMessage.php at line 688
10. XenForo_DataWriter_DiscussionMessage->_insertOrUpdateSearchIndex() in XenForo/DataWriter/DiscussionMessage.php at line 667
11. XenForo_DataWriter_DiscussionMessage->_indexForSearch() in XenForo/DataWriter/DiscussionMessage.php at line 523
12. XenForo_DataWriter_DiscussionMessage->_postSave() in XenForo/DataWriter.php at line 1385
13. XenForo_DataWriter->save() in XenForo/ControllerPublic/Thread.php at line 504
14. XenForo_ControllerPublic_Thread->actionAddReply() in XenForo/FrontController.php at line 310
15. XenForo_FrontController->dispatch() in XenForo/FrontController.php at line 132
16. XenForo_FrontController->run() in /mounted-storage/home148/sub035/sc80154-YLPI/english4me.net/Forum/index.php at line 13

 

[aiman.h.kallaf]

it gone now without me doing anything

what was that and what caused it

 

[Paul B]

Crashed tables can be caused by all sorts of things, usually server related.

If you have cPanel you can click on the MySQL Databases icon and run a database check and repair.

 

[aiman.h.kallaf]

Crashed tables can be caused by all sorts of things, usually server related.

If you have cPanel you can click on the MySQL Databases icon and run a database check and repair.

i guess opening 50 page at the same time one of them :s

how did it fix it self without me doing anything