Hello @IvanBebek-iX,I appreciate your long suggestion but it does apply to me, the Advance options is now greyed-out since there is an existing code in the textmode. 

Hi Guys,seeking help here,I want to color the value using textmode, scenario: if Aging Days value is greater than SLA Value, color it red.how to insert a code to an existing code?here is the existing code in the "Aging Days" column.Thanks,   

Hi Denise,  Thank you for your response. I have found out the issue and was resolved.the user does not have an access to the project where the issue stored.  

Hello, Seeking for help, The user with a right access cannot edit the column of some issue in a report board.  here is another issue that  is editable. (Same user with a manage access) Thanks in advance.