contract C { receive(bytes2) {} } contract D is C { receive() {} } // ---- // SyntaxError 4937: (17-35): No visibility specified. Did you intend to add "external"? // SyntaxError 4937: (60-72): No visibility specified. Did you intend to add "external"? // DeclarationError 7793: (17-35): Receive ether function must be payable, but is "nonpayable". // DeclarationError 4095: (17-35): Receive ether function must be defined as "external". // DeclarationError 6857: (24-32): Receive ether function cannot take parameters.