The operation + cannot accept the arguments: , [*empty-string*], [1] Note: You will not see another error reported for 5 seconds

Why is this happening? Nothing and all options appear simultaneously


You have an empty slot


I filled it, same thing. It’s not about him.

Use Do it to debug your blocks, check all additions to see where is the problem

Not fixed, all styles appear

If you have opened your project after some other project, then kindly check your firebase details from designer part and clean your project bucket.

As your firebase , it seems you have no project bucket… also do not try with single digit as tag, sometime this may too will lead this error

At the moment, the best option would be to use Do it option as @dora_paz already suggested. Use Do it on all ‘+’ blocks to see if any input is blank

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