When I tried to remove VM from Inventory some time facing the issue, that except HTML screen rest of the screen got fade. After that none of the operation is working, such as click on inventory on home button etc, So we need to refresh the page. Didn't understand why it is happening.
vCenter SDK version - 5.5.0
Browser name and version - Google Chrome - 42.0.2311.90 m
Reproducible - No (But happened more than once in the mentioned context and also under Datastore Context)