%Warning-MODDUP: t/t_package_dup_bad.v:11:9: Duplicate declaration of module: 'pkg' 11 | package pkg; | ^~~ t/t_package_dup_bad.v:7:9: ... Location of original declaration 7 | package pkg; | ^~~ ... For warning description see https://verilator.org/warn/MODDUP?v=latest ... Use "/* verilator lint_off MODDUP */" and lint_on around source to disable this message. %Warning-MODDUP: t/t_package_dup_bad.v:19:9: Duplicate declaration of module: 'pkg' 19 | package pkg; | ^~~ t/t_package_dup_bad.v:7:9: ... Location of original declaration 7 | package pkg; | ^~~ %Warning-MODDUP: t/t_package_dup_bad.v:22:9: Duplicate declaration of module: 'pkg' 22 | package pkg; | ^~~ t/t_package_dup_bad.v:7:9: ... Location of original declaration 7 | package pkg; | ^~~ %Error: Exiting due to