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 ('75e15c1442891c6544af7468c132ea57', -1, 1539966963, 1539966963, '36a174e1', -7, 0, 0)

Line : 187
File : sessions.php