Sorry, i dont know how to tell the problems

[Martinus_Goh]

yep a sequential numbers flow.
and multiple user could add the items
was following the method from mr.Darren

How do I create an auto-incrementing row number with Glide Tables?

This is a question that comes up a lot, so creating this topic to use as a reference. Typically, there are two distinct use cases when it comes to auto-incrementing row numbers. Use Case 1: – We need to generate a Part Number, or an Order Number, or an Employee ID. Once the number is generated, it should never change, even if rows are deleted. – The general approach for this use case is to maintain a static counter, use it to craft a suitably formatted ID, and increment it by one every time…

work when i was the only one to input
but when go live with multiple user input, it goes random