phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'b53ede4d5e0417f2f53bc1bae201d917' for key 'PRIMARY'

INSERT INTO gk_phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('b53ede4d5e0417f2f53bc1bae201d917', -1, 1771249536, 1771249536, 'd849d85b', 10, 0, 0)

Line : 187
File : sessions.php