How can i fix it (Yail unbound location null when compiled)

[Alessio]

it happens when i press a button in my application only from downloaded not from simulation

[TIMAI2]

We just do not know. Show your relevant blocks for button press and/or upload your aia project

[HarshVardhanSolanki]

Are you using a list?

[ABG]

(Canned Reply: ABG- Export & Upload .aia)
Export your .aia file and upload it here.