[BUG] Create notifier -> create notification -> delete notifier code -> invoke notification -> fail

[yshmarov]

Bug Report

Describe the Bug:

To Reproduce:

1. Create notifier
2. create notification
3. delete notifier code
4. invoke notification
5. fail

Expected Behavior:

Actual Behavior:

Screenshots (if applicable):

Environment:

• Noticed gem version:
• Ruby version:
• Rails version:
• Operating System:

Additional Context:

Possible Fix:

Steps to Reproduce with Fix (if available):

Related Issues:

Labels to Apply:

Checklist:

• I have searched for similar issues and couldn't find any
• I have checked the documentation for relevant information
• I have included all the required information