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 ('8bc31a4e7e89e90d1c88d3165d56f7a6', -1, 1566564253, 1566564253, '12e8ab12', 38, 0, 0)

Line : 187
File : sessions.php