What do you mean with “Creating folders”? Did you create folders in the modeler? This should not be a problem.
Yes just app related folders…………. do you know why this problem is appearing ?
Have you added modules from the AppStore recently ?
Maybe you have an inconsistency or mismatched versions in the userlibs now. Something like that happened when I was using >7.20 and added modules that were not yet updated (from AppStore or as an import).
Hi Rojina, can you give us more details. A step-by-step procedure of what you have done.
Did you first install a modeller or have you used the modeler previously without any problems?
Did you do File->Newproject and select one of the starter Apps, which one.
Anything else that you have done?
Also with the error mentioning “incompatibleClassChangeError”, my blind guess would be that a Cast has gone wrong.
Thank You all for your help. I found the problem. My jdk and jre versions were different. So, I uninstalled jdk and reinstalled it again which provided solution.