Seaquel
SQL Server error code

SQL Server error 8693

SQL Server raises error 8693 at severity 16, which marks a problem with the query or data that you can correct.

Cannot compile query because combination of LogicalOp = '%ls', PhysicalOp = '%ls', and sub_element = '%ls' under RelOp element in XML plan in USE PLAN hint is not valid. Use a recognized combination instead. Consider using an automatically generated XML plan without modification.
Msg8693
Severity16
Group8000–8999

Source: Database Engine events and errors