When you have a Dropdown list generated for SharePoint lookup column that point to other SharePoint Lists, the generated Dropdown list does not populate.
The fix is available in:
- K2 Five (5.4) Fix Pack 35.
- Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed.
- Download the latest Fix Pack using the links in the table above for the version you require.
- Install the Fix Pack to apply the fix.