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2009 Nov 04
0
The error occurred while evaluating nil.prefetch_primary_key
...occurred while evaluating nil.prefetch_primary_key?
Hi,
I have a problem with a model when I have 3 belongs_to relations in one
the middle.
This example is a subset of a grid-routing project:
n 1
1 n +------------ Project
Connection ------- ConnectionCost
+------------ WaySearchRun
n 1
The Problem is, when I add the ''belongs_to'' in ConnectionCost.
I get the following error-message after creating a ConnectionCost :
>> ConnectionCost.create
NoMethodError: You have a ni...