%Warning-WIDTHCONCAT: t/t_param_concat.v:18: Unsized numbers/parameters not allowed in concatenations. %Warning-WIDTHCONCAT: Use "/* verilator lint_off WIDTHCONCAT */" and lint_on around source to disable this message. %Warning-WIDTHCONCAT: t/t_param_concat.v:18: Unsized numbers/parameters not allowed in replications. %Warning-WIDTHCONCAT: t/t_param_concat.v:19: Unsized numbers/parameters not allowed in replications. %Error: Exiting due to