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 ('8483101fe5c10b6e3289e071cc65c7a5', -1, 1524625373, 1524625373, '36c64e79', 14, 0, 0)

Line : 187
File : sessions.php