SAP Fiori. Part 13 – How to know what background OData Service or CDS is getting used in a Fiori App?

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SAP Fiori Issue Resolution

It is said that the first step to get a solution is to know the root cause. Same is true for any programming language or development. And same holds true for SAP Fiori. Today, we will try to learn how to resolve some practical issues in any SAP Fiori Project.

Sometimes when logging in to some Fiori App, we see some tiles are showing compete blank screen. This post is about how to resolve these kinds of issue and it will also help you to know which background OData Service or CDS is being consumed by some Fiori App.

Without going to too much theory, let’s explain it with a real time example.

You want to see standard Warehouse KPI App in EWM from Fiori and see that ‘Open Warehouse Tasks by Activity Area’ tile is showing a blank screen. It is not even showing ‘No Data’.

If we have no data in backend SAP tables, ideally it shows like below.

If the No data message is not showing up but just a blank screen, that means there is no issue with data from the backend. It’s definitely some issue with OData Service Maintenance.

How to troubleshoot the issue?

Steps:

1. Just to be confirm that it is service maintenance issue, log in to SAP GUI. Go to transaction /iwfnd/error_log. It will show you some error like below

2. Go to https://fioriappslibrary.hana.ondemand.com Market Segments and search with your app name.

3. Go to implementation information section. Drop down the configuration menu. It will show you the OData Service name.

4. Now once you know the OData Service name, login to SAP and go to transaction /iwfnd/maint_service. Search for the OData Service.

5. Technical Service name always comes with a Z added to the External Service name. Now click on Add system Alias.

6. Add the System Alias Name and save it.

7. Click on ‘Load Metadata’

8. Now, refresh your Fiori App and your problem is resolved.

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