Fatal error: Declaration of DOMElement::getAttribute(string $qualifiedName) must be compatible with Serps\Core\Dom\DomNodeInterface::getAttribute($name)

[jumaris88]

I got error
Fatal error: Declaration of DOMElement::getAttribute(string $qualifiedName) must be compatible with Serps\Core\Dom\DomNodeInterface::getAttribute($name) in .../.../vendor/serps/core/src/Core/Dom/DomElement.php on line 0

[subet]

I have the same error message. Is there any solution?

[poznet]

same here

[UnknownX74m]

The error disappears if you start the script with php 7.4.

But then I have another problem - maybe someone can help:
PHP Fatal error: Uncaught Serps\SearchEngine\Google\Exception\InvalidDOMException: Unable to check javascript status. Google DOM has possibly changed and an update may be required. in /www/htdocs/xxx/vendor/serps/search-engine-google/src/Page/GoogleSerp.php:129
Stack trace:
#0 /www/htdocs/xxx/vendor/serps/search-engine-google/src/Page/GoogleSerp.php(40): Serps\SearchEngine\Google\Page\GoogleSerp->javascriptIsEvaluated()
#1 /www/htdocs/xxx/_webseiten/avigio.de.crm/serp.php(24): Serps\SearchEngine\Google\Page\GoogleSerp->getNaturalResults()
#2 {main}
thrown in /www/htdocs/xxx/vendor/serps/search-engine-google/src/Page/GoogleSerp.php on line 129