Hi, I've updated to latest git yesterday evening, and just realized that the new version of the "AWM_update.gdt" dataset has many empty column for which in the previous version valid values existed. These are: """ Dropping YFD: sample range contains no valid observations Dropping HICP: sample range contains no valid observations Dropping HEX: sample range contains no valid observations Dropping HEG: sample range contains no valid observations Dropping HICPSYA: sample range contains no valid observations Dropping HEXSYA: sample range contains no valid observations Dropping HEGSYA: sample range contains no valid observations Dropping HEGWEI: sample range contains no valid observations Dropping CAN_YEN: sample range contains no valid observations Dropping NFN_YEN: sample range contains no valid observations Dropping STN: sample range contains no valid observations Dropping LTN: sample range contains no valid observations Dropping COMPR: sample range contains no valid observations Dropping POILU: sample range contains no valid observations Dropping PCOMU: sample range contains no valid observations Dropping YWD: sample range contains no valid observations Dropping YWDX: sample range contains no valid observations Dropping YWR: sample range contains no valid observations Dropping YWRX: sample range contains no valid observations Dropping TWGDP: sample range contains no valid observations Dropping CAPU: sample range contains no valid observations """ Artur