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 ('0926cbf9ddda11e6702b01dd9feedfa8', -1, 1566749696, 1566749696, '12ce0fd7', 14, 0, 0)

Line : 187
File : sessions.php