Update table error

[#1]

Hi JMP community,

I'm trying to update the rows from another jmp data.

When I update the table, some of the row values disappear after updating (see snippet below)

Original table : 

After updaing:

Any advice or suggestion?

[#2]

Not sure why Update is doing that (could be a bug, maybe try contacting JMP support), but you could try using Join instead (it will create a new table)