show meaningfull error message when MDSPLUS_MODELS_PATH is not set#49

SimonPinches merged 1 commit intoiterorganization:developiterorganization/IMAS-Core:developfrom

prasad-sawantdesai:fix/warn-user-about-missing-env-variable-MDSPLUS_MODELS_PATHprasad-sawantdesai/IMAS-Core2:fix/warn-user-about-missing-env-variable-MDSPLUS_MODELS_PATHCopy head branch name to clipboard