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 ('0dd1657d89b7d8da7a6b1709cb7303e0', -1, 1711646672, 1711646672, '12d0ac03', 2178, 0, 0)

Line : 187
File : sessions.php