404. That’s an error.
The requested URL /bookmarks/mark?op=edit&output=popup&bkmk=http%3A%2F%2Fwww.java-forums.org%2Feclipse%2F55844-why-do-i-have-error-allowed-sentece-eclipse.html&title=%BFWhy+do+I+have+an+error+in+this+allowed+sentece+in+eclipse%3F
was not found on this server. That’s all we know.