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 ('57147ec6b70a2f0d778c022d1b7c2d2c', -1, 1575745049, 1575745049, '03e57adb', 25, 0, 0)

Line : 187
File : sessions.php