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 ('eb5c41157834e9a55a19f100d707bfb5', -1, 1566427240, 1566427240, '23adeaed', 20, 0, 0)

Line : 187
File : sessions.php