%Error: t/t_package_export.v:57:16: Can't find definition of scope/variable: 'PARAM2'
                                  : ... Suggested alternative: 'PARAM1'
   reg [pkg11::PARAM2 : 0] bus12;
               ^~~~~~
%Error: t/t_package_export.v:58:16: Can't find definition of scope/variable: 'PARAM3'
                                  : ... Suggested alternative: 'PARAM1'
   reg [pkg11::PARAM3 : 0] bus13;
               ^~~~~~
%Error: t/t_package_export.v:61:16: Can't find definition of scope/variable: 'PARAM2'
                                  : ... Suggested alternative: 'PARAM1'
   reg [pkg21::PARAM2 : 0] bus22;
               ^~~~~~
%Error: t/t_package_export.v:62:16: Can't find definition of scope/variable: 'PARAM3'
                                  : ... Suggested alternative: 'PARAM1'
   reg [pkg21::PARAM3 : 0] bus23;
               ^~~~~~
%Error: t/t_package_export.v:65:16: Can't find definition of scope/variable: 'PARAM2'
                                  : ... Suggested alternative: 'PARAM1'
   reg [pkg31::PARAM2 : 0] bus32;
               ^~~~~~
%Error: t/t_package_export.v:66:16: Can't find definition of scope/variable: 'PARAM3'
                                  : ... Suggested alternative: 'PARAM1'
   reg [pkg31::PARAM3 : 0] bus33;
               ^~~~~~
%Error: Exiting due to