Open Features and insert 2-3 images , save the version
Open Version History in details panel and rollback the previous version .
Component View is refreshing in this time as well, error appears in the console when you try to drag an image component in this moment . LoadMask appears on the page.
Uncaught TypeError: Cannot read property 'getData' of undefined at PageComponentsGridDragHandler.updateDragHelperStatus (bundle.js:1) at PageComponentsGridDragHandler.handleBeforeMoveRows (bundle.js:1) at Event.notify (_all.js:12166) at SlickGrid.handleDrag (_all.js:18408) at Event.notify (_all.js:12166) at trigger (_all.js:13750) at HTMLDivElement.handleDrag (_all.js:15156) at HTMLDivElement.dispatch (_all.js:2985) at HTMLDivElement.$event.dispatch (_all.js:11713) at HTMLDivElement.<anonymous> (_all.js:11598)
Uncaught TypeError: Cannot read property 'getData' of undefined at PageComponentsGridDragHandler.updateDragHelperStatus (bundle.js:1) at PageComponentsGridDragHandler.handleBeforeMoveRows (bundle.js:1) at Event.notify (_all.js:12166) at SlickGrid.handleDrag (_all.js:18408) at Event.notify (_all.js:12166) at trigger (_all.js:13750) at HTMLDivElement.handleDrag (_all.js:15156) at HTMLDivElement.dispatch (_all.js:2985) at HTMLDivElement.$event.dispatch (_all.js:11713) at HTMLDivElement.<anonymous> (_all.js:11598)