Hi Chris, I just dig into that and have some solution, but not sure whether it is correct.
In PropertyWatcher class we have function updateProperty. If "source" is available we are trying to apply value from source, but if I correct understand sometimes the "getterFunction" is our source. If getter function for some reason is throwing an error we should set null to value. Code with fix -> [1] [1] https://paste.apache.org/pxDj Piotr ----- Apache Flex PMC piotrzarzyck...@gmail.com -- View this message in context: http://apache-flex-development.2333347.n4.nabble.com/FlexJS-Problem-in-FlexJSStore-tp58232p58235.html Sent from the Apache Flex Development mailing list archive at Nabble.com.