phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6a4effbd09f43f4953e1d253fadf00a2' 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 ('6a4effbd09f43f4953e1d253fadf00a2', -1, 1761260991, 1761260991, 'd849d81d', -9, 0, 0)

Line : 187
File : sessions.php