Seaquel
SQL Server error code

SQL Server error 7860

SQL Server raises error 7860 at severity 15, which marks a problem with the query or data that you can correct.

An endpoint's transport or content cannot be changed through the ALTER ENDPOINT statement. Use DROP ENDPOINT and execute the CREATE ENDPOINT statement to make these changes.
Msg7860
Severity15
Group7000–7999

Source: Database Engine events and errors