Add new stored procedure in object explore storedprocedure folder

See more:

C#

SQL

I am trying to add a new stored procedure inside the
MyDb\Programmability\StoredProcedure folder

i have added successfully and it is executed
then i try to open that storedprocedure
i got the error as

"Invalid object name dbo.WarrantCertificate"

What I have tried:

USE [MyDb]
GO
/****** Object:  StoredProcedure [dbo].[WarrantCertificate]    Script Date: 18-04-2021 23:16:35 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER PROCEDURE [dbo].[WarrantCertificate]
as
SELECT AssetNo FROM dbo.CalibrationCertificate