This page documents the resolution of various errors encountered while using mUzima Core. While errors are not specific to all users, some errors are do cut across the various users of mUzima. Some of these errors are; unique identification of a patient in an encounter form data. That is, a patient fails to be identified uniquely during data processing on the server- side hence a duplicate error is thrown. Concepts related errors are another set of errors. These errors are brought about due to non inclusion of concepts in for instance an encounter form during form development and or the use of a wrong concept dictionary with a given form.