TYPO3 Core

1. the „inline“ one, using the frontend-editing bar in the top
2. using the pencil symbol which opens a new „window“

Using the first variant („inline“) is not possible if the text contains a link. When clicking the „Save all“-Button it crashes with an „Uncaught TYPO3 Exception”( Core: Exception handler (WEB): Uncaught TYPO3 Exception: #1460629247: No valid handlers found for type: unknown | TYPO3\CMS\Core\LinkHandling\Exception\UnknownLinkHandlerException thrown in file /usr/share/typo3/typo3_src-8.7.19/typo3/sysext/core/Classes/LinkHandling/LinkService.php in line 163. Requested URL: https://www.xxx.de/typo3/index.php?ajaxID=%2Fajax%2Ffrontend-editing%2Fprocess&ajaxToken=--AnonymizedToken--&page=528

Creating a link is possible - also in the inline variant: it's possible to save but it not possible to change anything after the first save. Clicking a second time on save the same error as mentioned above appears.