phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c3c2b8636f5c2b7bfca046691d3f5466' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('c3c2b8636f5c2b7bfca046691d3f5466', -1, 1768882479, 1768882479, 'd849d87f', 2, 0, 0)

Line : 187
File : sessions.php