In this blog post, you’ll learn more about the SQL Server Error Code 5294 and the error message description that is shown
SQL Server Error Code
5294
SQL Server Error Description for the Code :5294
Nonclustered columnstore index ‘%.*ls’ column ‘%.*ls’ rowgroup id %d on table ‘%.*ls’ has one or more data values that are inconsistent with data values within the metadata. Drop and recreate the nonclustered columnstore index.