3824752 - How can I modify a field in the Forms and Fields Expense configuration?

I am trying to modify a field under Forms and Fields, but I am not able to. The Forms and Fields tab seems to be grayed out for me.

Core Expense > Expense Administration

Concur Expense all versions

I would like to know the steps to modify/activate or deactivate a field. , KBA , CON-CA-ADM , Administration , CON-CA , Cross Applications , Problem

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