On May 31, 2023, the DW_2000Q_6 and DW_2000Q_VFYC_6 QPU solvers were removed from Leap. Historical data for problems submitted to these solvers will continue to be accessible as before.
As of May 31, 2023, your code must use the Advantage solvers.
If you are using feature-based solver selection, as D-Wave recommends, your existing code will automatically submit your problems to the most appropriate solver. However, if you have configured your code to specifically select a D-Wave 2000Q solver, update your code to use the Advantage solvers.