What product/components do you use and which version/fix level?
As per documentation given in below link, Runtime Demo widget created which is able to upload in App builder through install widget button but not able to work due to interleave function and compiled for different cumulocity version. Please find attached error screenshot.
SoftwareAG/cumulocity-demo-widget
Are you using a free trial or a product with a customer license?
License
What are trying to achieve? Please describe in detail.
Create Runtime Demo widget which is installable in fronetnd.
Do you get any error messages? Please provide a full error message screenshot and log file.
Demo widget is tested and working as expected with App builder 1.2.6, 1.2.7 and 1.2.8.
As per screenshot, you are using customized version of Application Builder.
Therefore there could be multiple reason for this error based on version used in your application builder:
Cumulocity version is not compatible
Angular version is not compatible.
You will find more details in browser console.
In case of problem persist, please try/troubleshoot by downloading app builder from GitHub.
