White label iOS - "A generic error occurred"

[kc99]

Received the following email after submission for iOS white labelling. What went wrong?

Your whitelabel iOS app ran into trouble!

Launcher-********

What went wrong?

A generic error occurred

How do I fix this?

Contact Support

[Steve]

Please contact Support for help with this.

https://www.appsheet.com/Support/Contact

[kc99 · Accepted solution]

Thanks Steve. Turns out is app icon not acceptable format

[ai-designtech]

Was it because the icon was too small? Or was it the wrong filetype? What was the resolution?

[ALNOVA786]

What is the acceptable format?