[Pharo 8.0] Build #123: Revert "Adds a new exception for a missing class error (ClassNotUnderstood) and…"

There is a new Pharo build available!
 
The status of the build #123 was: FAILURE.

The Pull Request #2784 was integrated: "Revert "Adds a new exception for a missing class error (ClassNotUnderstood) and…""
Pull request url: https://github.com/pharo-project/pharo/pull/2784

Issue Url: https://pharo.fogbugz.com/f/cases/revert
Build Url: https://ci.inria.fr/pharo-ci-jenkins2/job/Test%20pending%20pull%20request%20and%20branch%20Pipeline/job/Pharo8.0/123/