Can't debug any source code

Node type: geth
OS: ubuntu 14.04
Network type: test
Mist version: 0.7.6.

I'm trying to deploy a blockchain organization following this tutorial: however all I get is "Could not compile source code" and "Error: e.message.replace is not a function". And this happens in every single source code I try to deploy.
Screenshot console:

Log attached.
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