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 ('c752cb1b132f0af486b163ed30e4be70', -1, 1566449882, 1566449882, '12e8ab12', 57, 0, 0)

Line : 187
File : sessions.php