Power BI gateway refresh failure

I have scheduled two dashboards on same database server, one is refreshing successfully i.e connected with ODBC and other datasource gives the below error but before two days back its also works fine

Underlying error code: -2147467259
Underlying error message: The provider being used is deprecated: 'System.Data.OracleClient'. Please visit https://go.microsoft.com/fwlink/p/?LinkID=272376 to install the supported provider.
DM_ErrorDetailNameCode_UnderlyingHResult: -2147467259
Microsoft.Data.Mashup.ValueError.Reason: DataSource.Error
Cluster URI: WABI-INDIA-WEST-redirect.analysis.windows.net
Activity ID: 45f18c23-6a3a-4f6a-86e4-7b5d1868f0b1
Request ID: 0b342a2f-9dc0-37a9-539c-fa19567e6b32
Time: 2022-11-09 12:09:04Z

Please help on this issue.