Power BI deployment premium backend Services error

Issue:- Deployment pipeline fails from UAT to Production for the semantic model with the below error, 

An error occurred in Power BI Premium backend services. Other As Persistence error. 

Deployment was stopped

The artifact couldn't be deployed to the target workspace. Try deploying the content again.

Cause - Power BI forums or any other resource doesn't seem to have an explanation for this as the backend services are handled by Microsoft. I read through multiple forums as to see what is happening here with little luck. The only thing I could infer is that this seems to be happening for datamodels with two or more sources, which seems to be the case with us.

The guess is that Microsoft is already aware of the same as this has started happening since 2023 as per some posts I saw on the community. 

Resolution: This is more of a work around than a solution suggested by one of the users at this community forum page, which also worked for us. 

• Deploy the power bi dataset to the workspace and let this error out. 

• Post deployment pipeline being triggered, take the original Power BI semantic model or dataset pbix file and publish it directly to another workspace, in my case I published it to "My workspace".

• Post manual deployment of semantic model/dataset PBIX to a seperate workspace, go back to the original deployment pipeline and then repeat the deployment from lower environment to the environment where deployment failed last time, this should work. Worked for us.

Weird as it may sound, it seems to be working for us and a few other people.

References - https://community.fabric.microsoft.com/t5/Service/An-error-occurred-in-Power-BI-Premium-backend-services/m-p/3074121 

PowerBI - Synapse Refresh Issue - 'Key didn't match any rows in table'

Issue: PowerBI was not able to refresh the underlying dataset from Azure Synapse in a higher environment in Import mode.

Sample error screenshot is below,

Cause : The issue was caused when in the higher environment, the schema name was created in upper case letters where as in the lower environment it was in lower case letters. 

Resolution: The fix in this case is to move objects from the existing uppercase schema to lower case, this will incur some effort if you are doing it, since first you will have to move it to a temporary schema name, then drop the uppercase schema name, create lowercase schema name and then move from the temporary schema to lowercase schema name.

Another option is to parameterize the schema in PowerBI and change at one place when you migrate to higher environment.