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Can anyone tell me how to fix this crash?enter image description here

I am unable to find this error in my code because there is not mention which line no has this issue in my code.

Thanks in advance

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    firebaser here This error occurs internally in the Firebase client, because the responses from the server don't match the expected headers in the handshake. My best guess is that there is some system between this client and the Firebase servers that mangles the traffic, resulting in the Firebase client being unable to parse it. Commented Apr 29, 2017 at 14:01
  • Possible duplicate of stackoverflow.com/questions/43009734/… Commented Jun 28, 2017 at 7:11

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Error is caused by casting String.toLowerCase on a null object. Post your java.class for more information, or just check where you cast objects to String.toLowerCase and see if they possibly have a null reference. Fixing that should do the job.

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2 Comments

can you tell me which class?
can you tell me which class about you are talking.

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