phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'ca6d93a13ad9048b5838f5d68c174417' 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 ('ca6d93a13ad9048b5838f5d68c174417', -1, 1763262557, 1763262557, 'd849d879', -4, 0, 0)

Line : 187
File : sessions.php