Firebase database insecure rules warning. Your data may be hack. How to solve this problem?

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Lekin abee bhee project kaam nahi kar rahe?? No data updating to firebase database .i created an application last year.that time it was worked perfectly.
But now when I use the same application,no data updading to the firebase?? Both read and write are true.

Mera shayari apps hai kya main rules ko change kar sakta hu

To fir anh hum kaise isse set kare read write true kaise karen

Facebook me new placement id banakar app update karne par bhi sdk 5.8 nhi ho rha h

Bhai hum to airtable wale ha

Nice