Steeltoe upgrade version 2 to version 3 changes are breaking

Question

After changing version of steeltoe version2 to vesrion3 application is breaking

Exception

System.Reflection.ReflectionTypeLoadException: 'Unable to load one or more of the requested types.
Could not load type 'Steeltoe.Common.HealthChecks.IHealthContributor' from assembly 'Steeltoe.Common, Version=3.2.6.0, Culture=neutral, 

Answer 1

It is difficult to say for sure what the problem is without seeing all of the Steeltoe packages and versions that are referenced, but this error can happen if you have mismatched Steeltoe package versions, especially between v2 and v3.