ionic2 - Ionic 2 : EXCEPTION: Unexpected token < in JSON at position 0 -


i want send data database , when click on submit button, exeption : exception: unexpected token < in json @ position 0

i dont know :/ can check code on github: https://github.com/majlo23/makeorder-ionic , here php code: https://github.com/dmikulasova/make-order_server


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