This message I see quite often:

Sorry- we have a problem... The wikimedia.org servers are currently overloaded, or down. Hopefully this will be fixed soon; please check back in a few minutes, as the problem is most likely temporary To get information on what's going on you can visit #wikipedia. An "offsite" status page is hosted on OpenFacts. Donations Due to the ever-increasing number of people visiting Wikipedia and its sister Wikimedia projects, we have a constant need to buy new hardware to keep the site running. If you'd like to help, please donate. Some links to pass the time:

* Wikipedia's ever-increasing popularity * Paper describing the wikimedia network structure

Generated Wed, 02 Jun 2004 15:17:04 GMT by wikipedia.org (squid/2.5.STABLE4-20040219)

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but I can edit another article without delay. And I can also save the article in question if I play with logout/login. Looks like a cache problem to me.