Please be aware that the project will be fully recreated but with the migrated libraries.
If interested, you are free to try out our great Online Store App template to build your own online store business app. Documentation can be found under this link: https://docs.appery.io/docs/online-store-app-template.
Hope this helps.
We also have an Ionic 5 Local Notifications Tutorial now.
So, please check this link out, if if looks interesting: https://docs.appery.io/docs/ionic-5-loc ... s-tutorial
This issue is most likely connected with some plug-ins added but to get more details, we need to check the project.
And the possibility is high that upgrading to the most recent library versin will resolve this.