ERROR
The descriptive flexfield with application name iAssets (IA) and name IA Request Headers (IA_REQUEST_HEADERS) is not frozen. Please contact your system administrator.
SOLUTION
Step 1. Navigate to Responsibility Fixed Assets Manager.
Step 2. Now, Navigate to Setup > Financials > Flexfields > Descriptive > Segments
Step 3. Press F11 and Query Application = iAssets and Title = IA Request Headers
Step 4. Click the “Freeze Flexfield Definition” checkbox and then hit the “Compile” button.
Step 5. stop/start the webserver.
Step 6. Retest in iAssets again.
REFERENCE: Unable to Compile a Descriptive Flexfield (DFF) : Flexfield View Generator Program is Not Spawned (Doc ID 1562495.1)