React Native upload image using Expo gives errors randomly on iOS

Question

I am uploading an image to a server, imageUri is taken via expo's ImagePicker, here is the code:

  const formData = new FormData()
  formData.append('picture', { uri: imageUri, name: filename, type })
  await fetch(uploadProfileImageURL, {
    method: 'POST',
    body: formData,
    header: {
       Accept: 'application/json',
      'Content-Type': 'multipart/form-data'
    }
  })

On android it works like a charm, but on iOS devices its random, 50% of time it works, and the rest time it gives iOS network error:

"Error processing request body: Error Domain=ABI25_0_RCTErrorDomainCode=0 "Invalid request Token." UserInfo={NSLocalizedDescription=Invalid request token.}"

• URL where I am uploading is HTTPS
• Tried promises instead of async/await but no luck If I try to upload to a different server, problem is the same, so its not a server side problem
• I tried using axios/XHR but still same error. The only time error goes, is when I do not append image. If I append string key/values then it works, but if I append image it randomly does not work. I have tested on 3 different iOS devices, have same problem. Using latest expo sdk.
• If I use try/catch or .catch (when using promises) the error is not being caught
• On iOS simulator it works 100% of the time

Answer 1

Upgrading expo version to latest one by that time fixed the issue. Also some users experienced same problems when using expo-pixi. Again, upgrading the version of expo-pixi solves it.