This warning is a mistery, I don’t know why it happens and never found any answer about it.
Abou the error, the problem is probably with your Firebase keys. you must delete the properties from Designer and set them in the blocks. For that, use the block “obfuscated text”, which makes more hard for hackers to get these sensitive data.
PS: This error or this warning won’t make your app be rejected by playstore. But it is better if you solve any security issue that you have otherwise your firebase project may be hacked.
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