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unsupported operand type(s) for * 'float' and 'nonetype'

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Old   May 22, 2020, 18:38
Default unsupported operand type(s) for * 'float' and 'nonetype'
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when I define expression in the parameter, but it give errors, what is the reason?
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Old   May 22, 2020, 19:50
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Here is a neat little trick that helped me in similar situations, especially in cases where I really did not want to share any relevant information: First step for solving a problem
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Old   May 23, 2020, 11:59
Default My question is happened in Workbench,which is to define an expression, not in python
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Quote:
Originally Posted by flotus1 View Post
Here is a neat little trick that helped me in similar situations, especially in cases where I really did not want to share any relevant information: First step for solving a problem

My question is happened in Workbench,which is to define an expression, not in python .
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Old   May 23, 2020, 14:40
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wow that made it clearer!
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