Sometimes 405(Method Not Allowed) error returns


#1

I search 100 tweets 8 times everyday by using search API.
It have been working well since July, although 405(Method Not Allowed) error returned on 8/25, 8/30, and 9/1.
It worked well except those days.
Is there a period of time when Search API does not work?

requested URL (on 9/1):
https://api.twitter.com/1.1/search/tweets.json?q=XXX&since=2014-08-31&with_twitter_user_id=true&include_entities=1&include_rts=1

Thank you.