I tried again and it was done. I think there was a bug in appengine billing system and fixed. Thank you :)
2011/2/9 한우진 <company100....@gmail.com> > Thank you for replying, but I've already tried it several times, and no > reply has come yet. > Anybody who could change billing budget in past 10 hours? > > 2011/2/9 Robert Kluin <robert.kl...@gmail.com> > > I would file a billing support issue. >> >> http://code.google.com/support/bin/request.py?contact_type=AppEngineBillingSupport >> >> >> >> >> >> Robert >> >> >> >> >> >> >> On Tue, Feb 8, 2011 at 08:07, proxima <company100....@gmail.com> wrote: >> > Hi, >> > >> > I'm trying to enable billing but faced a big problem. >> > Whenever I try to enable billing, the message below shows up. >> > >> > "Billing Command Failed >> > There was an unexpected error and your budget settings were not saved. >> > Please try again. If this problem persists, please contact support." >> > >> > There is no hint about the error. What or why did the error occur. And >> > it's been more than 5 hours. >> > >> > Are there anybody have faced this error? If then, what can I do for >> > solve this? >> > >> > -- >> > You received this message because you are subscribed to the Google >> Groups "Google App Engine" group. >> > To post to this group, send email to google-appengine@googlegroups.com. >> > To unsubscribe from this group, send email to >> google-appengine+unsubscr...@googlegroups.com. >> > For more options, visit this group at >> http://groups.google.com/group/google-appengine?hl=en. >> > >> > >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine" group. >> To post to this group, send email to google-appengine@googlegroups.com. >> To unsubscribe from this group, send email to >> google-appengine+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/google-appengine?hl=en. >> >> > -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.