specify in the x-data allowContentType>base:folder</allowContentType
Deploy the application
Add a site, then open new folder-wizard
Select 2-3 images in x-data form, save the content
Open Versions widget in the wizard
roll back the previous version
Error in console:
_all.js:19536 Uncaught Error: Invalid content id: at new ContentId (http://localhost:8080/admin/tool/com.enonic.xp.app.contentstudio/main/_/asset/com.enonic.xp.app.contentstudio:1536048481/admin/common/js/_all.js:1:1355160) at http://localhost:8080/admin/tool/com.enonic.xp.app.contentstudio/main/_/asset/com.enonic.xp.app.contentstudio:1536048481/admin/common/js/_all.js:1:1441307 at Array.map (<anonymous>) at ImageOptionDataLoader.sendPreLoadRequest (http://localhost:8080/admin/tool/com.enonic.xp.app.contentstudio/main/_/asset/com.enonic.xp.app.contentstudio:1536048481/admin/common/js/_all.js:1:1441283) at ImageOptionDataLoader.BaseLoader.preLoad (
Error in console:
_all.js:19536 Uncaught Error: Invalid content id: at new ContentId (http://localhost:8080/admin/tool/com.enonic.xp.app.contentstudio/main/_/asset/com.enonic.xp.app.contentstudio:1536048481/admin/common/js/_all.js:1:1355160) at http://localhost:8080/admin/tool/com.enonic.xp.app.contentstudio/main/_/asset/com.enonic.xp.app.contentstudio:1536048481/admin/common/js/_all.js:1:1441307 at Array.map (<anonymous>) at ImageOptionDataLoader.sendPreLoadRequest (http://localhost:8080/admin/tool/com.enonic.xp.app.contentstudio/main/_/asset/com.enonic.xp.app.contentstudio:1536048481/admin/common/js/_all.js:1:1441283) at ImageOptionDataLoader.BaseLoader.preLoad (