STEPS:
Login to System Administrator
Application -> Flexfield -> Descriptive -> Segments
Search for Application = Application Object Library
Title = Common Lookups
You can see referenced field as "LOOKUP_TYPE"
Now if you want to enable your lookup, you need to uncheck "Freeze Flexfield Definitions" checkbox on the top left the DFF Segments screen.
this enables you to enter new DFF entries.
Now, enter create a line under Context Field Values
Under "Code" enter your lookup ex: SOCPL_ACCT_OU_INV_MAP_LK
Click on Segments Enter the number, name, prompt, column and value set(if you have one) save and compile the DFF. Now, switch the responsibility to Application Developer to see the DFFs enabled in lookup Open the common lookups screen and query for the lookup name you have given under "Code" of DFF setup. and thus your DFF is enabled.
