What do I do when I get an error message that my phone number and/or email is not registered?

You will be required to verify and update your data by completing and signing the contact indemnity and information update form then scan and email it to customercare@stima-sacco.com or drop it of at any of our branches together with a copy of ID for processing. The form is available through this link Contact
Indemnity and Information Update Form or any of our branches near you.