phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4d2bf96aabe37333b65bec3cb74e4c9e' 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 ('4d2bf96aabe37333b65bec3cb74e4c9e', -1, 1767131974, 1767131974, 'd849d819', 41, 0, 0)

Line : 187
File : sessions.php