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 ('112ff0ed02c14155fd47e8a38d9405f0', -1, 1568697024, 1568697024, '12cd6d52', 0, 0, 0)

Line : 187
File : sessions.php