In a marketing effort under effort settings > ask ladder overrides if you select edit you can't then delete the ask ladder
Download and install the latest Service Pack which contains all fixes from previous patches. If you are running an older version, download and install the latest version and then the patch.
Steps to Duplicate
1. Open marketing effort 2. click on the effort settings tab 3. click on ask ladder overrides 4. Select the existing ask ladder override and click edit 5. highlight the row and select delete 6. click ok on the confirmation prompt and click save 7 note ask ladder is not removed