i got this error when i opne my file and try to run it,can anyone help it is urgent, thank a lot if anyone can help me,desperately need to solve it

multi dex error, below is the project file link, when i open and run it, it give me a mult dex cant be define can anyone help me see, what is the error on that, i have been troubleshoot for quite sometime and my deadline is soon

below is the link to my project file

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