TYPO3 Exception 1328709784


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The finisher preset identified by “xxx” could not be found, or the implementationClassName was not specified.

This error is related to EXT:form.

You probably added a custom finisher to your current form configuration yaml file, but forgot to register the finisher in base config of your form setup.

Please ensure that you add your newly created form finisher to config section: TYPO3.CMS.Form.prototypes.standard.finishersDefinition

And that yaml is loaded to the plugin and/or module form settings: plugin.tx_form.settings.yamlConfigurations