Can you tell me how I can identify missing numbers each contact has a unique number starting from 1001, but I need to identify missing ones in order, for example 1001,1002,1003,100. 1004 is missing.
please help
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.