Don't allow multiple errors in modMine dataload.
Don't allow multiple errors in modMine dataload.



Former-commit-id: 470d79c319135790fb96d5f7ee63e23273b0728d
julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine,julie-sullivan/phytomine