1. Assign any unique number on the miscellaneous tab of the gift

OR

1. Create a gift query on Gift Information > Date Added equals today (or last day gifts were entered)
2. Output Gift Information > Gift ID
3. Sort by Gift Information > Gift ID
4. Run Now
5. Note the last Gift ID assigned and assign the next number in the series

Note: The system will only use a number once so once you assign the number it is taken and the next gift will automatically skip over the manually assigned number and generate the next number in the series after that.