Seaquel
SQL Server error code

SQL Server error 9534

SQL Server raises error 9534 at severity 16, which marks a problem with the query or data that you can correct.

In the query/DML operation involving column set '%.*ls', conversion failed when converting from the data type '%ls' to the data type '%ls' for the column '%.*ls'. Please refer to the Books-on-line for more details on providing XML conversion methods for CLR types.
Msg9534
Severity16
Group9000–9999

Source: Database Engine events and errors