What is the error in my code?

my app is experiencing these two errors, but I can’t identify what’s wrong

first error

second error

someone help me :confused:

The first error you have to look for where you have a sign <while the second you have combined 2 empty lists in the screenshots of the blocks you posted I see no errors

Following your logic this must be a math block with “0”

Replace the “join” blocks with “make a list” blocks.
Rightclick on the isListEmpty blocks and click “Do It” .
Check the content of your list variables, if it works now.

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