phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'sfphpbb_sessions' is full

INSERT INTO sfphpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('ff2ac2e884faf5d6b0d816f13a4670fc', -1, 1715512401, 1715512401, '12778b57', -4, 0, 0)

Line : 187
File : sessions.php