Permission Denied For BigQuery

[Asturias-sam]

I have multiple datasets in Big Query and want to give permission to a specific dataset for a specific user role.

I have created various role and provided each role schema access on BigQuery.DataSet. However, I'm still getting the following error, when selecting the table from drop down.

You need access to the following tables: ['dataset.table'],   
all database access or `all_datasource_access` permission

Any help regarding this ?