Error generating yail

I am getting the error message: Error generating Yail for screen 5391568445898752_calculator: : Cannot read property ‘type’ of null. Please fix and try packaging again.
whenever I try to build the app. I know this has been addressed with others but none of the answers to the topics I could find fit my app, please help. I have spent months on this app. Thanks

Shows the blockseditor any warnings?
Is it possiple that you have forgot to set on any function a block?

And by the way please show your blocks.

Thanks for replying, i checked. There are no warnings and all the blocks are filled unless you count empty strings.

Nevermind. I deleted all the components that weren’t being used and it worked.

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