PHP Fatal error:  Declaration of RD\RpcBase\Security\Authentication\Token\UsernamePasswordRPCTest::updateCredentials() must be compatible with that of TYPO3\FLOW3\Security\Authentication\TokenInterface::updateCredentials() in /var/www/rd.node.app/Packages/Application/RD.RpcBase/Classes/Security/Authentication/Token/UsernamePasswordRPC.php on line 9