No solutions using COLLADA, but yes using XML....?

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No solutions using COLLADA, but yes using XML....?

I have to different python programs.
One reads in a robot, runs the kinematics, and then calculates the solutions.
The other is split up into two separate python files- one program reads in a robot and saves an environment as a COLLADA file, then a second reads in that COLLADA file, does the IK generation, and is supposed to calculate the solutions.

The COLLADA file works properly, and all of the joints move like they should (I opened it in openrave directly), and the IK calculates like it does in the other program, but the only difference is that the COLLADA program says it found zero solutions, while the other finds 30ish.

Why? What should I do?