Mapping to IGNORE in Data Management showing in ARC as Invalid Mapping

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My client has certain accounts that they would like to map to IGNORE in ARC. We loaded data for the first time since the new release and all of the ignored accounts are showing as invalid mappings. While this did not affect other data being loaded, they see 39,000 lines of invalid data on the detail balance screen. We are not using any sql in our mapping, just a simple like mapping (ex. 4* to IGNORE). I saw on other posts that this was a bug in the past that was fixed. Could this be the same issue with the