phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b422e4119e02fdb5473e025688264040' 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 ('b422e4119e02fdb5473e025688264040', -1, 1770221138, 1770221138, 'd849d819', -4, 0, 0)

Line : 187
File : sessions.php