From be5d77c814f5536c6bd1758e111d0ebf2588240f Mon Sep 17 00:00:00 2001
From: "Alex J. Champandard" <alexjc@aigamedev.com>
Date: Thu, 10 Mar 2016 20:52:23 +0100
Subject: [PATCH] Adding troubleshooting for NotImplemented error.

---
 README.rst | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.rst b/README.rst
index d84ec77..512be14 100644
--- a/README.rst
+++ b/README.rst
@@ -56,6 +56,17 @@ After this, you should have ``scikit-image``, ``theano`` and ``lasagne`` install
 
 .. image:: docs/Coastline_example.png
 
+Troubleshooting Problems
+------------------------
+
+NotImplementedError: AbstractConv2d theano optimization failed.
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This happens when you're running without a GPU, and the CPU libraries were not found.  The neural network expressions cannot be evaluated by Theano. 
+
+Try `sudo apt-get install libblas-dev libopenblas-dev` to provide the CPU libraries necessary.
+
+
 Frequent Questions
 ------------------