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Creating synthetic variable doesnt allow to press accept


i just wanted to create an easy synthetic variable, but i cant press the accept button:

Am i overlooking something ?

Hi @pydro2020,

The reason for not being able to create the synthetic variable is because you haven’t typed a valid synthetic expression. Makes sense?

Once you type a valid expression, you should be able to create and save the variable without friction. Please refer to the following article to know more about synthetic variables.