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 ('69a58ba64df79f4c1c56ed286369f5a3', -1, 1519381409, 1519381409, '36e24c1b', 0, 0, 0)

Line : 187
File : sessions.php