Seaquel
SQL Server error code

SQL Server error 457

SQL Server raises error 457 at severity 16, which marks a problem with the query or data that you can correct.

Implicit conversion of %ls value to %ls cannot be performed because the collation of the value is unresolved due to a collation conflict between "%ls" and "%ls" in %ls operator.
Msg457
Severity16
Group0–999

Source: Database Engine events and errors