The only thing I could find in the logs myself is this. Can it be the cause of the crash? And why is this happening?
Warning: Node Leaf_3x1 has no generic art matching constraint 0.000000
Warning: Node Leaf_3x1 has no generic art matching constraint 90.000000
Warning: Node Leaf_3x1 has no generic art matching constraint 90.000000
Warning: Node Leaf_3x1 has no generic art matching constraint 0.000000
Warning: Node Leaf_3x1 has no generic art matching constraint 90.000000
Warning: Node Leaf_3x1 has no generic art matching constraint 90.000000
Warning: Node Leaf_3x1 has no generic art matching constraint 90.000000
Warning: Node Leaf_3x1 has no generic art matching constraint 90.000000
Warning: Node Leaf_3x1 has no generic art matching constraint 90.000000
Warning: Node Leaf_3x1 has no generic art matching constraint 90.000000