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Hi, a strange error has been reported by a customer of our plugin.

They have FogBugz 7.2.18 on Debian 5 and the plugin Mockups for FogBugz, downloaded from the plugin gallery.

When a new version of the plugin is available in the gallery, FogBugz displays a notification. Strangely, they are forced to update and restart the computer. Otherwise, this error message appears until the plugin gets updated:

System.IO.FileNotFoundException: Could not load file or assembly
'System.Data' or one of its dependencies. The system cannot find the file
specified.
File name: 'System.Data'
  at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke
(System.Runtime.Remoting.Proxies.RealProxy rp, IMessage msg,
System.Exception& exc, System.Object[]& out_args) [0x00000]

Can you help us in understanding what happens?

(We just learned that FogBugz checks automatically for new versions. On my Vista box I didn't get that error. Perhaps the solution is trivial, but we don't have an idea...)

Thanks
Marco

Hi Marco-

We have seen this error in Mono when an AppDomain reload is forced, but it hasn't been repeatable and it has always been fixed by a fogbugzctl restart (and not required a full system reboot). We haven't heard about this in a while, but if it's still showing up, we'll investigate.

Can you confirm with the customer a 'fogbugzctl restart' doesn't solve the problem? If a reboot is required, that's good information for us to have, but it seems unlikely.

Thanks!
Brett

Thank you Brett for the quick reply.
I will report the news from this customer.

It seems that the problem happens regularly on their installation of FogBugz. You might want to get contacted by their IT guy... Let me know if I can help.

Ciao
Marco

Hi Marco-
Yes, please ask them to contact us if they have not already; this is clearly a Mono issue, possibly one with our distribution of it, and if they have a reliable repro, we would love to have it.
Thanks!
Brett

Ok! Sorry for the stupid question, but how can they contact you? Is there a well known email address?

Hi Marco-
customer-service@fogcreek.com will get you to our fast-responding, very competent, extremely technical, FogBugz-expert customer support team, and they will get all of the facts in order and escalate the issue to the development team.
Thanks!
Brett