Need help with an error running macro on VB Class not registered.

I am in need of assistance with an error that is occurring when running a macro on VB. The error message states that a class is not registered.

Skills and Experience:
- Proficiency in VB programming, specifically in the version used by the client (VB A)
- Experience with troubleshooting and resolving macro errors
- Knowledge of class registration processes in VB
- Ability to analyze error messages and identify potential causes for the error