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 ('2ea48f4fc39c3caf06511262e0318c36', -1, 1532339841, 1532339841, '36e067ef', 4, 0, 0)

Line : 187
File : sessions.php