export to pdf Promise unhandled - react-native

Question

I am building an iOS app with React native and I want to have a button which when clicked it will export some text data into a pdf file.
The problem is that I use this library and I get the following error.
My code is the following:
exportPDF = async () => {
const page1 = PDFPage
.create()
.setMediaBox(200, 200)
.drawText('You can add text and rectangles to the PDF!', {
x: 5,
y: 235,
color: '#007386',
})
.drawRectangle({
x: 25,
y: 25,
width: 150,
height: 150,
color: '#FF99CC',
})
.drawRectangle({
x: 75,
y: 75,
width: 50,
height: 50,
color: '#99FFCC',
});
const page2 = PDFPage
.create()
.setMediaBox(250, 250)
.drawText('You can add JPG images too!')
// Create a new PDF in your app's private Documents directory
const docsDir = await PDFLib.getDocumentsDirectory();
const pdfPath = `${docsDir}/sample.pdf`;
PDFDocument
.create(pdfPath)
.addPages(page1, page2)
.write() // Returns a promise that resolves with the PDF's path
.then(path => {
console.log('PDF created at: ' + path);
// Do stuff with your shiny new PDF!
}).catch(error => console.log(error));
}
Does anybody know how to fix the unhandled promise rejection?