phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '2ca7161e1080a5e545412d549a3e8bdd' 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 ('2ca7161e1080a5e545412d549a3e8bdd', -1, 1766085010, 1766085010, 'd849d8d7', -4, 0, 0)

Line : 187
File : sessions.php