pq25942 Walkback: ' receiver must be a boolean' ---------------------------------------------------------------------------------------------------- Affected Platforms: All Affected Features: AppBldr Prerequisites: v4.5a Symptom: using visual attribute/attribute connection between an Object (OC) and a list that gets updated. It appears this has to do with the alignment of attributes using AbtAttributeToAttributeConnection. Note: This has been fixed in v5.0 Workaround: Open a workspace on pq25942 and file in the code.