Encountering an error upon initial loading

Experiencing issues upon the initial load, but everything seems fine after refreshing the page. Could this be related to the loading of the Firebase database plugin? How can I resolve this problem?

https://i.sstatic.net/SSr08.jpg

Answer №1

It seems that your understanding of pays is a bit off, consider using

pays : any[] = []; 

Answer №2

To define it, simply do the following:

countries : any = [];

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