'Standard events appear in event manager but can't find them in ads manager

In my Android App I am sending 3 standard facebook events:

All those events appear in Events Manager so I know they are being sent correctly:

But when I try to create Conversion Campaign in Ads Manager only Complete Registration is displayed:

Why can't I create campaign using FindLocation and CustomizeProduct events? What could be the issue? I have no clue what is wrong at the moment

Solution 1:^[1]

Did you try to set up a custom conversion based on one of these two events?

It will then appear on the Adset creation tab.

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Solution	Source
Solution 1	Mathieu EUSTACHY