I'm getting this error trying to access the private messages in my forum:
SQL ERROR [ mysqli ]
Got error 28 from storage engine [1030]
SQL
SELECT t.*, p.root_level, p.message_time, p.message_subject, p.icon_id, p.to_address, p.message_attachment, p.bcc_address, u.username, u.username_clean, u.user_colour, p.message_reported FROM phpbb_foroprivmsgs_to t, phpbb_foroprivmsgs p, phpbb_forousers u WHERE t.user_id = 144 AND p.author_id = u.user_id AND t.folder_id = 0 AND t.msg_id = p.msg_id ORDER BY p.message_time DESC LIMIT 20
BACKTRACE
FILE: includes/db/mysqli.php
LINE: 163
CALL: dbal->sql_error()
FILE: includes/db/mysqli.php
LINE: 205
CALL: dbal_mysqli->sql_query()
FILE: includes/db/dbal.php
LINE: 170
CALL: dbal_mysqli->_sql_query_limit()
FILE: includes/ucp/ucp_pm_viewfolder.php
LINE: 517
CALL: dbal->sql_query_limit()
FILE: includes/ucp/ucp_pm_viewfolder.php
LINE: 30
CALL: get_pm_from()
FILE: includes/ucp/ucp_pm.php
LINE: 376
CALL: view_folder()
FILE: includes/functions_module.php
LINE: 507
CALL: ucp_pm->main()
FILE: ucp.php
LINE: 327
CALL: p_master->load_active()
SQL ERROR [ mysqli ]
Got error 28 from storage engine [1030]
SQL
SELECT t.*, p.root_level, p.message_time, p.message_subject, p.icon_id, p.to_address, p.message_attachment, p.bcc_address, u.username, u.username_clean, u.user_colour, p.message_reported FROM phpbb_foroprivmsgs_to t, phpbb_foroprivmsgs p, phpbb_forousers u WHERE t.user_id = 144 AND p.author_id = u.user_id AND t.folder_id = 0 AND t.msg_id = p.msg_id ORDER BY p.message_time DESC LIMIT 20
BACKTRACE
FILE: includes/db/mysqli.php
LINE: 163
CALL: dbal->sql_error()
FILE: includes/db/mysqli.php
LINE: 205
CALL: dbal_mysqli->sql_query()
FILE: includes/db/dbal.php
LINE: 170
CALL: dbal_mysqli->_sql_query_limit()
FILE: includes/ucp/ucp_pm_viewfolder.php
LINE: 517
CALL: dbal->sql_query_limit()
FILE: includes/ucp/ucp_pm_viewfolder.php
LINE: 30
CALL: get_pm_from()
FILE: includes/ucp/ucp_pm.php
LINE: 376
CALL: view_folder()
FILE: includes/functions_module.php
LINE: 507
CALL: ucp_pm->main()
FILE: ucp.php
LINE: 327
CALL: p_master->load_active()