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 ('b5a4f7ce8ec59bae18795a1ee1b7b77e', -1, 1573594559, 1573594559, '03e9d9f2', 54, 0, 0)

Line : 187
File : sessions.php