Question Re: Error while starting preview. Details: AggregateError in Technology Q&A

Error while starting preview. Details: AggregateError

willem_bakkes2 — Tue, 28 Jan 2025 01:40:50 GMT

I cloned the following in BTP for Fiori exercises: https://github.com/SAP-samples/sapui5-development-learning-journey.git

When I want to preview the app (no matter which branch I choose) I get the following error: "Error while starting preview. Details: AggregateError"

Re: Error while starting preview. Details: AggregateError

RaminS — Tue, 28 Jan 2025 15:19:30 GMT

This is a known issue with Fiori Tools extension for BAS, SAP has a fix for it due to be released Feb 9.

Please see my last response in this thread.+

Before then, you need to stop and restart your Dev Space to work around the issue.

Re: Error while starting preview. Details: AggregateError

Prashanth_Reddy40 — Fri, 14 Feb 2025 01:42:49 GMT

Hi,

Try to install below command then you can able to preview the application.

"npm i @Pa_Vi/ui5-builder-webide-extension"

Thanks & regards,

Prashanth.

Re: Error while starting preview. Details: AggregateError

willem_bakkes2 — Fri, 31 Jan 2025 03:22:02 GMT

Stopping and restarting of the Dev Space resolved the issue

Re: Error while starting preview. Details: AggregateError

Sandra_Rossi — Wed, 05 Feb 2025 08:18:48 GMT

How to restart the Dev Space? Does restarting the Dev Space work with the BTP Trial?

EDIT: sorry, got it:

NB: I could solve by restarting the BAS in a new InPrivate window.

Re: Error while starting preview. Details: AggregateError

MassimilianoM — Thu, 13 Feb 2025 13:49:05 GMT

the correct package name is in lowecase:

npm i @ sap/ui5-builder-webide-extension

(remove the space after "@", this is an issue of this forum)

Re: Error while starting preview. Details: AggregateError

Sandra_Rossi — Thu, 13 Feb 2025 19:13:12 GMT

Were you talking about this tutorial: https://learning.sap.com/learning-journeys/develop-sapui5-applications/getting-started-with-sapui5-development_b2b142f9-fb05-4a51-bdae-a107ab360021 ?