phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '3cdc2fb94d978f5c3db2244a5ab7f78b' for key 1

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin, is_robot) VALUES ('3cdc2fb94d978f5c3db2244a5ab7f78b', -1, 1765919857, 1765919857, 'd849d89e', 0, 0, 0, '0')

Line : 187
File : sessions.php