Error : E_DEPRECATED

Creation of dynamic property memyc\resources\URL::$requestUri is deprecated

1
/kunden/431424_13355/webseiten/subdomains/app2023.daga-tagung.de/memyc/resources/URL.php, line 257
254.          */
255.         private function setRequestUri($sRequestUri)
256.         {
257.             $this->requestUri = $sRequestUri;
258.         }
259. 
260.         /**