SharePoint List missing column validation

Question

Hi there, 

I would like to create a condition formatting as - 

when ''Status'' is ''complete'', the column ''Resolution'' become mandatory. 

I see there is a bunch of information online via ''List setting -> Validation Setting'' . 

But I dont find validation setting on my page- 

Answer 1

Hi @Min
The reason for Validation Setting missing is that you do not have enough permission for this list.

Per my test, if I use an account with full control permission, list settings is as below:

When it comes to an account with edit permission, it is:

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