IOS Crash on file delete

Development Platform & Builds Mobile
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1

Hi my BP Function library contains below function to delete file. Where I try to file in Project/Saved/myfiles

It woks perfectly is Windows and Mac, however on IOS on delete file crash. Any help?

 bool UMyBlueprintFunctionLibrary::deleteFile(FString AbsoluteFilePath)
 {
if (!FPlatformFileManager::Get().GetPlatformFile().DeleteFile(*AbsoluteFilePath))
{
    UE_LOG(LogTemp,Log, TEXT("Hello World"));
    return;
}
 return true;
 }