Ionic 3 firebase tutorial 1 introduction - user login, user logout and image upload

Ionic 3 and Firebase are the two best combinations for building a full android and iOS app very easily. In this video tutorial series, we will be covering all the fundamentals of ionic tutorial, firebase tutorial, angular 4 tutorial, typescript tutorial and generally how to build an android app

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[BraintemOrg]

Wow! About to hit 3, 000 subscribers! Guys can we make this happen today?

[OlalekanSamuel]

Hi, well done for this great tutorial. However, I followed all the steps you gave in the tutorial series and I got the following error:

Reference.child failed: First argument was an invalid path = "undefined". Paths must be non-empty strings and can't contain ".", "#", "$", "[", or "]"
I filled all the fields and nothing was left. I have tried everything possible but could not get this resolved. Is there anything that I'm missing? Will appreciate if you can assist.

[bricedamlabin]

salut salut j'ai un soucis avec mon code. j'ai suivi votre tuto et a la fin j'ai cet erreur " Error: Reference.child failled: First argument was an invalid path = "undefined".paths must be non-empty strings and can't containt ".", "#", "$", "[", or"]", at validatePathString

[bricedamlabin]

s'il vous j'en ai vraiment besoin de votre aide