phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a5b5b7a8d67c20ddee111c8c2a69b99d' 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 ('a5b5b7a8d67c20ddee111c8c2a69b99d', -1, 1775376573, 1775376573, 'd849d8a1', 1, 0, 0)

Line : 187
File : sessions.php