Keep getting similar errors when trying to process a payment through sumup.
I have tried deleting the sumup payment from the back office and reconnecting to my account.
I also deleted the sumup app from the tablet and went to download from the playstore again but says it wasn't compatible with the tablet even though I got the pos three weeks ago.
So downloaded an earlier sumup version from an apk website but still getting the errors.
Any help welcome as literally only got