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 ('8c7bc154af6bb3d1c5e06e74dfce5a17', -1, 1714294860, 1714294860, '0d3bf3c2', 2015, 0, 0)

Line : 187
File : sessions.php