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I get this error when I try to start the machine. There are free IP addresses (both floating and fixed). I tried to look about it on the web, but no luck (there is an answer somewhere which doesnt solve my problem).

Here the entire traceback:

Thank you.

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LE: I discovered that one of the project works (my main project). That project spawns instances without a problem. – MihaiM May 28 '12 at 15:04
Seems like it can't find any (suitable) network in the database, have you checked how the networks are stored within the SQL database? Maybe you can find out what query is executed? – Filipe Spencer May 28 '12 at 20:42
up vote 0 down vote accepted

I solved it after all. The problem is that every project needs it's own fixed network (that's why my main project was working, because i added the network during the installation).

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