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 ('cfa71aae88d6bc8574ef01ec51d64b0b', -1, 1575993586, 1575993586, '22e1c290', 56, 0, 0)

Line : 187
File : sessions.php