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 ('0512caf9406ac95651aa9c8db109e1a0', -1, 1580177463, 1580177463, '23a86fbf', 20, 0, 0)

Line : 187
File : sessions.php