Error SQLExtendedFetch:Could not complete cursor operation because the table schema change

[Raj_007]

Hi, I have tried for the following error in google but no luck,

I have an Alteryx workflow that is scheduled and it has few SQL Select statements may 3 or 4 different input box where the SQL SELECT is used (SQL Server) - there are 1 or 2 excel files (mapping files) - one of the query has the group by 

workflow is scheduled to run morning and evening every day - i dont get this error every time on and off i get this error - 

Error SQLExtendedFetch: [Microsoft][ODBC Driver 17 for SQL Server][SQL Server]Could not complete cursor operation because the table schema changed after the cursor was declared.

I do not have stored procedures, cursors etc. I just use the select statements to pull the data from the SQL server, 1 select has group by a
what should be the approach? where do i start from
I use table alias names for ex FROM Sales  S    - 

any help

[Raj_007]

Bumping
any suggestions on what could be the issue...where to start with

[Christian_Holm]

Bumping this! 
Also experience the same error.