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 ('54a51d2249f49e732db01f4c6473607c', -1, 1519359223, 1519359223, '365a773b', 10, 0, 0)

Line : 187
File : sessions.php