PostgreSQL - ERROR: 22P02: malformed array literal: "..."

오랜만에 postgreSQL에 테이블을 하나 만들고,

name character varying[] (150)
age integer

INSERT INTO testtable(name,age) VALUES('a10f825a-71f9-4771-8e23-e810c3ac0efa', 5);

Server Error in '/' Application.
ERROR: 22P02: malformed array literal: "a10f825a-71f9-4771-8e23-e810c3ac0efa"
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: Npgsql.NpgsqlException: ERROR: 22P02: malformed array literal: "a10f825a-71f9-4771-8e23-e810c3ac0efa"

Source Error:

Line 141:                command.Parameters.Add(new NpgsqlParameter("P1", "a10f825a-71f9-4771-8e23-e810c3ac0efa"));
Line 142:                command.Parameters.Add(new NpgsqlParameter("P2", 5));
Line 143:                int affected = command.ExecuteNonQuery();
Line 144:
Line 145:                command.Parameters.Clear();

Source File: D:\WebTest\WebSiteTest4\postgreSQLTest.aspx.cs    Line: 143

Stack Trace:

[NpgsqlException (0x80004005): ERROR: 22P02: malformed array literal: "fa60119b-b5d7-4b8b-bb2a-5b300b81c1c6"]
   Npgsql.<ProcessBackendResponses_Ver_3>d__a.MoveNext() in C:\projects\Npgsql2\src\Npgsql\NpgsqlState.cs:842
   Npgsql.ForwardsOnlyDataReader.GetNextResponseObject() in C:\projects\Npgsql2\src\Npgsql\NpgsqlDataReader.cs:1163
   Npgsql.ForwardsOnlyDataReader.GetNextRowDescription() in C:\projects\Npgsql2\src\Npgsql\NpgsqlDataReader.cs:1181
   Npgsql.ForwardsOnlyDataReader.NextResult() in C:\projects\Npgsql2\src\Npgsql\NpgsqlDataReader.cs:1373
   Npgsql.ForwardsOnlyDataReader..ctor(IEnumerable`1 dataEnumeration, CommandBehavior behavior, NpgsqlCommand command, NotificationThreadBlock threadBlock, Boolean synchOnReadError) in C:\projects\Npgsql2\src\Npgsql\NpgsqlDataReader.cs:1030
   Npgsql.NpgsqlCommand.GetReader(CommandBehavior cb) in C:\projects\Npgsql2\src\Npgsql\NpgsqlCommand.cs:611
   Npgsql.NpgsqlCommand.ExecuteNonQuery() in C:\projects\Npgsql2\src\Npgsql\NpgsqlCommand.cs:525
   WebSiteTest.postgreSQLTest.Page_Load(Object sender, EventArgs e) in D:\WebTest\WebSiteTest4\postgreSQLTest.aspx.cs:143
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +226
   System.Web.UI.Control.OnLoad(EventArgs e) +170
   System.Web.UI.Control.LoadRecursive() +159
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3998

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4330.0

name character varying (150)
age integer