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 ('b4d7d7d433f240b5c4bca304c8f4f889', -1, 1573965742, 1573965742, '03e2fe73', 7, 0, 0)

Line : 187
File : sessions.php