Bukkit

What steps will reproduce the problem?
Occurs after some time.

What version of the product are you using?
2.1

Do you have an error log of what happened?
3:36:35 PM [SEVERE] 400:The request was invalid. An accompanying error message will explain why. This is the status code will be returned during rate limiting (https://dev.twitter.com/pages/rate-limiting).
error - Rate limit exceeded. Clients may not make more than 350 requests per hour.
request - /1/statuses/user_timeline.json?screen_name=notch&include_rts=true&include_entities=true&include_my_retweet=1
Relevant discussions can be on the Internet at:
http://www.google.co.jp/search?q=00df323f or
http://www.google.co.jp/search?q=9705f50b
3:36:36 PM [00df323f-9705f50b], statusCode=400, retryAfter=827, rateLimitStatus=RateLimitStatusJSONImpl{remainingHits=0, hourlyLimit=350, resetTimeInSeconds=1342126, secondsUntilReset=827, resetTime=Thu Jul 12 15:50:23 CDT 2012}, featureSpecificRateLimitStatus=null, version=2.2.5}
3:36:36 PM [SEVERE]     at twitter4j.internal.http.HttpClientImpl.request(HttpClientImpl.java:185)
3:36:36 PM [SEVERE]     at twitter4j.internal.http.HttpClientWrapper.request(HttpClientWrapper.java:65)
3:36:36 PM [SEVERE]     at twitter4j.internal.http.HttpClientWrapper.get(HttpClientWrapper.java:85)
3:36:36 PM [SEVERE]     at twitter4j.TwitterImpl.get(TwitterImpl.java:1895)
3:36:36 PM [SEVERE]     at twitter4j.TwitterImpl.getUserTimeline(TwitterImpl.java:203)
3:36:36 PM [SEVERE]     at twitter4j.TwitterImpl.getUserTimeline(TwitterImpl.java:230)
3:36:36 PM [SEVERE]     at com.wlan222.TwitterListener.checkForNewTweets(TwitterListener.java:24)
3:36:36 PM [SEVERE]     at com.wlan222.TwitBukkit$1.run(TwitBukkit.java:42)
3:36:36 PM [SEVERE]     at com.bergerkiller.bukkit.nolagg.examine.TimedWrapper.run(TimedWrapper.java:27)
3:36:36 PM [SEVERE]     at org.bukkit.craftbukkit.scheduler.CraftWorker.run(CraftWorker.java:34)
3:36:36 PM [SEVERE]     at java.lang.Thread.run(Unknown Source)

Please provide any additional information below.
I have multiple people set up in the config.
5 followers in the config.

Need any more info?