Why is my app not being able to be downloaded? pls help asap

hello, im creating an app to use during treasure hunt with staff. usually open it and edit only the images or text once a year when required for the event. have always been able to download the apk file. this year, after ediitng everything, i cant downloading as its showing 'unable to compile'. PLEASE HELP ASAP! im attaching a copy of the proj and a pic of the err.
Bday_Treasure_hunt.aia (736.6 KB)

Your app icon no longer meets the requirements.

Change it in project properties, which has the new requirements.

thanks a lot! ill try it and reply back here

EDIT: THANKS SO MUCH!!!!! It finally works. @ABG you're such a lifesaver :pray:.