Relation: More verbose error message.
Relation: More verbose error message.

jscinoz/assetgraph,slang800/assetgraph,papandreou/assetgraph,assetgraph/assetgraph,jscinoz/assetgraph,papandreou/assetgraph,jscinoz/assetgraph,papandreou/assetgraph,slang800/assetgraph