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 ('d5df8b77f93de58d2aa7202d69816dc7', -1, 1529686085, 1529686085, '3650c6ad', 7, 0, 0)

Line : 187
File : sessions.php