TYPO3 Core

Title is not set when a linked content element exists but is not located on the linked page.

PHP Warning: Undefined array key "title" in sysext/linkvalidator/Classes/Linktype/InternalLinktype.php line 309

Steps to reproduce¶

1. Create a text content element and link to an existing content element.
2. Change the page of that link to a page on which this CE is not located or move the content element to a different page.
3. Check links through Linkvalidator

Fix¶

https://github.com/TYPO3-CMS/linkvalidator/blob/9c298c048420b2e537b1ce2c188a5f8391fcdccd/Classes/Linktype/InternalLinktype.php#L309

- $errorParams['content']['title'],
+ (string)($errorParams['content']['title'] ?? ''),