App show 'ad size and ad unit id must be set before load is called' how to solve this

[careerdestacademy44 (CAREER DEST ACADEMY)]

when open page screen show this msg-ad size and ad unit id must be set before load is called
and below show end application plz help me

[Deepanshu_Arya]

Welcome to community,
You are new here, so spend some time reading. There is already a topic about your problem, why not join up the conversation there?

[usafshk (usaf shaik)]

Im also facing same problem
Please any one solve this problem

[Shreyash (Shreyash Saitwal)]

@Deepanshu_Arya

There is already a topic about your problem, why not join up the conversation there?

Why don’t you link it for him?

[Mohd_Younis (YOUNIS Developer)]

You need to enter ad unit id before showing ads in app. You can also remove ads and this error will not show again.

[Deepanshu_Arya]

Read this topic and mention there about this topic:

Admob Ads Runtime Error

I’m using admob ads in my app…But now update my app after show error…Because kodular new update in default set unity ads. [20190608_063439]

[careerdestacademy44 (CAREER DEST ACADEMY)]

I dont Understand plz explain…