{"isTrusted":false,"adType":"rewarded","error":0,"reason":"Internal error"}

[Ashclan]

hi,
I am working on an ionic5 capacitor and trying to implement a video reward system.
the first time it works completing fine however after that it fails every time.

this. admob.onAdFailedToLoad().subscribe(val=>console.log(val)) ;

console: {"isTrusted":false,"adType":"rewarded","error":0,"reason":"Internal error"}

need help!.