SYMPTOM:
In Strategy 10.4 Hotfix 6, an error is seen when using editable mode for a document that contains edit links passing prompts dynamically.
“An error has occurred on this page. ()”

3. Run in presentation mode and notice that the document renders without any issue.
4. Run in editable mode and notice the document either does not render or the below error is seen.
“An error has occurred on this page. ()”

KB439720