DAP037 error when return type is an array

[Jure-BB]

Hello,

for ExecuteScalar and QuerySingleOrDefault methods DAP037 error is reported ("No settable members exist for user type"), when return type is an array like byte[] or string[].

public async Task<byte[]?> TryGetByteArray(NpgsqlConnection conn, long id)
{
    var bytes = await conn.ExecuteScalarAsync<byte[]>(
        "select blob from foo where id = @id",
        param: new { id });
    return bytes;
}

Expected behavior: No error.

• Dapper v2.1.35
• Dapper.AOT v1.0.31
• Npgsql v8.0.3