KB46427: "Cannot read property col of undefined" error occurs when an ESRI maps in Interactive mode returns no data in MicroStrategy Web 9.4.1 Hotfix 2.

SYMPTOM:
 
In Strategy Web 9.4.1, users experience the following error when running a document containing the ESRI Map widget in Interactive mode:
 

Cannot read property 'col' of undefined

1. Create a report with the attributes "Store" and "Store Country" plus any metric.
2. Add the Latitude and Longitude forms to the displayed forms for the Store attribute.
3. Create a new document based on this report.
4. Insert a DHTML Widget > ESRI Map, and drag Store onto it.
5. Configure the Widget properties to Show the Markers.
6. Set the latitude and longitude forms to be the assigned latitude and longitude inputs for the map.
7. Insert a checkbox selector for Store Country that targets the ESRI map.
8. Run in Interactive Mode.
   Notice that if the "All" box in the selector is unchecked, the error occurs.

CAUSE:
 
This is a known issue in Strategy Web 9.4.1 Hotfix 2.
 
ACTION:
 
This issue does not occur using Strategy 9.4.1 Hotfix 7. Upgrade to take advantage of the fix.
 
WORKAROUND:
 
Run the map in Express or Flash view modes, where this error does not occur.
 
KB46427