Hi Cynthia (pandasaigon)
Thank you for your post. The automatic invoice number function tries to be helpful and remember what you have used previously. So it will use the last alphanumeric # then +1.
If it is populating BD012344, and you want to bring it back to numerical numbers only, then overtype the number a few times until it picks up the new pattern and auto-fills correctly.
if you have any further questions, please let me know.
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