phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '74b49b1f61474db7d3f5afb120832678' 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 ('74b49b1f61474db7d3f5afb120832678', -1, 1789167140, 1789167140, '12610e59', -4, 0, 0)

Line : 187
File : sessions.php