When using Paragraphs its not posible to access Manage Display (Server error 500) additionally on uninstall a View that was using the formatter was deleted from the installation.

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edlvox created an issue. See original summary.

rikki_iki’s picture

rikki_iki commented
Status: Active » Closed (duplicate)

There's nothing directly linked to Paragraphs in this module so it's possibly just something unrelated like https://www.drupal.org/project/element_class_formatter/issues/3025539

As for your uninstall issue, it is required that you check that the formatters aren't being used by other configuration before uninstalling. This goes for any module and is why Drupal warns you about the effects of uninstalling a module on existing configuration - so you have a chance to correct it.