TYPO3 Exception 1241722579

Error-Message:

(1/1) #1241722579 TYPO3Fluid\Fluid\Core\ViewHelper\Exception

"@" could not be parsed by \\DateTime constructor:
DateTime::__construct(): Failed to parse time string (@) at position 0
(@): Unexpected character
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Solution

Adjust usage of viewHelper to respect the requirements.

Cases where it can happen are beside general faults that an extension is updated and the templates are outdated.