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Arnold for 3ds Max
Rendering with Arnold in 3ds Max using the MaxtoA plug-in.
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Arnold render error message.

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bfr3D
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Arnold render error message.

Everything was working great last night, no problem, then this popped up and has kept me from finishing.

This is the message. // Error: [driver_exr] defaultArnoldDriver@driver_exr.RGBA: can't create file ".exr": OpenEXR exception: Permission denied.

I looked this up and worked the two solutions, but neither of them worked with this file.

The first solution tried had us enter the syntax 'defaultArnold*' in the rename window, which I did, but nothing changed. It didn't show up in the Attributes editor.

The other solution regarded dumping the preferences using 'preferencesold' and starting over, which worked. I was able to render with Arnold no problem with another file. That told me that there is probably a syntax problem. I tried renaming everything and saving the file, rebooted Maya, but no change. I continue to have the same issue. How do I fix this? Is there a list of syntax that we're not supposed to use? I know we can use the underscore and the hash '#.' Please advise.

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