Step 1 Revert to the default 'New' and 'Edit' buttons (Salesforce Lightning)
Salesforce does not allow you to uninstall until you stop overriding the 'New' and 'Edit' buttons in your Objects to RV Entry.
Revert to the default 'New' button.
- Navigate to the Salesforce Setup.
- Navigate to Platform Tools - Objects and Fields - Object Manager.
- Find your Object in the list view and access it.
- Navigate to Buttons, Links and Actions.
- Find the 'New' button and click 'Edit'.
- At 'Override With', select 'No Override'.
- Click Save.
Revert to the default 'Edit' button.
- Find the 'Edit' button and click 'Edit'.
- At 'Override With', select 'No Override'.
- Click Save.
Step 2 Uninstall Record Validation
- Navigate to the Salesforce Setup.
- Navigate to Platform Tools - Apps - Installed Packages.
- At 'Record Validation', click 'Uninstall'.
- At the bottom of the page, confirm and click 'Uninstall' again.
- Record Validation is now being uninstalled.