"Could not find stored procedure" When Running Stored Procedure

USE [xxx]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER PROCEDURE [dbo].[CEM_BulkOpsInsert] 
@tablename varchar(50),
@table varchar(100)
AS
BEGIN
 
	SET NOCOUNT ON;
 
Declare @error nvarchar(255)
Declare @subject1 varchar(200)
Declare @sql varchar(255)
 
exec SF_BulkOps 'Insert',@tablename,@table
Set @sql = 'Delete From ' + @table + ' WHERE LEN(ID) > 4'
exec @sql
Set @sql = 'select ' + @error + ' = COUNT(ID) From ' + @table + ' WHERE LEN(Error) > 4'
exec @sql
IF @error > 0
BEGIN
Set @subject1 = 'Errors Exist In ' + @table + ' For ' + @tablename
EXEC msdb.dbo.sp_send_dbmail
    @profile_name = 'Host',
    @recipients = 'host@xxx.com',
    @body = '',
    @subject = @subject1;
END
 
END