phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'phpbb_sessions' is full

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('400fe5e578e32a0c75b5bd47039434b7', -1, 1754000155, 1754000155, 'd849d8bb', 4, 0, 0)

Line : 187
File : sessions.php