Bad arguments to *

Please help me

The problem is in multiply blocks check your multiply block there is one value is empty I will find out the error but your block are not clear

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Not understand. I have another app like that and it doesn’t happen.

Unable to read your blocks…

Welcome , @Disney .
Please post only the blocks where the error occurs. Show the relevant blocks.

Im show all blocks

This one problem ,
And the ideal is to post the blocks to the relevant problem.

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