Fix Error when trying to build a Mapping File
Added Example Data (Blutdruck) -> OPT, Example-CSV and Mapping-Folder with pre-filled mapping (just rename it to "Blutdruck") Most importantly fixed wrong path object attribute references
Added Example Data (Blutdruck) -> OPT, Example-CSV and Mapping-Folder with pre-filled mapping (just rename it to "Blutdruck") Most importantly fixed wrong path object attribute references