@tony2n91 this happend bacause the type of your variables is "string", so you have to change it to the type "number"
Number([[A1]]) + Number([[A2]])I Get mixHeaderClass Error in New Version
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I videotaped the part of the code where I got the error. I will be glad if you watch
https://www.youtube.com/watch?v=DZOLeUfE6CQ
