A client called yesterday with this same issue. I discovered that even in version 2017 PU2, the IM_DeleteChangeItemsWork.M4T file is never cleared. If you rebuild the Key Files, the IM_DeleteChangeItems.M4T file will be repopulated with all past entries from the Work file. Vicky at Sage Support was able to recreate this also and has sent a request to engineering for a fix. Probably only in 2016 & 2017. Larry - you can reinitialize the Work file when the IM_DeleteChangeItems.M4T is empty and everything will be okay. As soon as the you do another Delete Change routine the Work file will start growing again. If someone rebuilds the Key files, the work around is when first going into the Delete Change Items Utility you must click the clear button to remove all prior entries.