phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '13a419b0418e5fa7cd436ea0f6c5d0d0' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('13a419b0418e5fa7cd436ea0f6c5d0d0', -1, 1771026143, 1771026143, 'd849d88a', -4, 0, 0)

Line : 187
File : sessions.php