phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'aa950526fab88641b88d212d79093597' 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 ('aa950526fab88641b88d212d79093597', -1, 1722039704, 1722039704, '12750907', 0, 0, 0)

Line : 187
File : sessions.php