Scroll is not working when app starts


I’ve some ion-slides in my ionic content. I am not sure if it makes the problem for scrolling, When the app installs first time, scroll is not working in this page. but after navigating to any other screens and come back, it will work. It will not work whenever app installs initially.

can anyone please help me on this.

Note. I’m using ion scroll and it is working in all other pages.