What is "Kunne ikke lagre skjema" means?
Are you trying to add something from a different model?
Code 18 refers to this error. "Database constraint violation, such as adding duplicate value to a unique field. I hope this helps you.
We are looking at ways to make sure that these exception codes and messages are communicated correctly.
Can you confirm which version of the ArcGIS Runtime SDK for iOS you are using?
Retrieving data ...