checking package dependencies
compiling ERulesMux2a.bsv
code generation for sysERulesMux2a starts
Error: "ERulesMux2a.bsv", line 20, column 4: (G0070)
  The expression for a module instantiation could not be evaluated. Modules
  must be determined at compile time and cannot be computed dynamically.
  During elaboration of `sysERulesMux2a' at "ERulesMux2a.bsv", line 2, column
  8.