Critical Issue - Native App with .aab files - ASAP

Hello, I am in a hurry and in a extremely need of help here. I wish very much to publish my app as an a native app, ready in .aab/.akp files and ready for the stores in Googel play and into App Stores for Apple. I need that the my files, in the newly made app BrainFlash, must be converted into .aab-files in order for the app to be independent to Base44 external bases. Cna someone help me with this. I tried to build and package for store in the PWA builder, but I had 1 red flag for Icons: “supabase….something”. Here is the link to my URL form base44:

https://brainflash.base44.app. Thank you in advance! Sincerely, A