If your aia > ~30 MB, there are two options:
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How to build a big app → APK max. 100 MB or → AAB 150 MB as mentioned by @TIMAI2
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Use an offline version of AI2: AI2Offline - Browse Files at SourceForge.net
(But with this version thepackageNameis changed from "appinventor.ai_<email>.appName" to "com.<email>.appName".)