ERROR Ruby script

Hello everyone,

when I write a ruby script I get this error. Can anybody tell me how to solve this problem?1234

Some prior method failed and returned nil instead of a good object. Look at line 62 of your Ruby and see what you are invoking move on. Then work backward to see where that variable got its value.

thank you for your reply. This is line 62. What do I have to do to solve my problem?12345

Work backward to where you last set the value of @camera_group and check why/how its value got to be nil. Most likely an API call failed and returned nil instead of a valid group.

Do you have knowledge about MS Physics and Ruby scripting?

Plenty of Ruby coding, none with MS Physics.

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