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 ('c773d9a5a868416b7d46e86c6a16c4ec', -1, 1573831225, 1573831225, '23ac96ef', 17, 0, 0)

Line : 218
File : sessions.php