Unable to connect to the data source undefined

[faninda]

Hii, I have some problem with my power BI gateway that some error when I refresh it.

I already reinstall the gateway and install Npgsql but still didnt work.

Like this, there's any solution what should I do?

[_sfrost · Accepted solution]

@faninda 

When installing Npgsql, make sure you select Npgsql GAC Installation.

Did I answer your questions? Give a thumbs up and accept this post as solution!

[v-yuaj-msft]

Hi @faninda ,

Could you tell me if your problem has been solved? If it is, kindly Accept it as the solution. More people will benefit from it. Or you are still confused about it, please provide me with more details about your problem.

Best Regards,

Yuna

[v-yuaj-msft · Accepted solution]

Hi @faninda , 

Based on the error message you shared, Have you tried to install the earlier Npgsql version?

I find a similar issue for you, Please refer to it if it can help you a little. It indicates that maybe you need to select the NpgSQL GAC Installation when you try to install the earlier version of Npgsql.

Gateway error connecting to PostgreSQL

Hope that's what you were looking for.

Best Regards,

Yuna

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

[_sfrost · Accepted solution]

@faninda 

When installing Npgsql, make sure you select Npgsql GAC Installation.

Did I answer your questions? Give a thumbs up and accept this post as solution!