Triggered AMPscript for thank you page showing Error

Hi All,

I am creating a Trigger for form which will redirect after submitting to a thank you page. I am reaching to thank you page but not next steps. The trigger is not working and updating the data into DE and sending trigger mail. I am sharing you details to understand the ampscript code below. 

I put the AMPScript on that thank you page to trigger mail it and getting an error message - 

Error Message: "CreateObject Function is not valid in content. This function is only allowed in non sendable content. Function: CreateObject(\"TriggeredSend\")"

Description: "ExactTarget.OMM.FunctionExecutionException: CreateObject Function is not valid in content. This function is only allowed in non sendable content. Function: CreateObject(\"TriggeredSend\") Error Code: OMM_FUNC_CONTEXT_ERR - from Jint " 

The Script I have created is - 

 %%[

       VAR @name, @email, @ts, @tsDef

        SET @name=RequestParameter("name")

        SET @email=RequestParameter("email")

        SET @ts = CreateObject("TriggeredSend")

        SET @tsDef = CreateObject("TriggeredSendDefinition")

        SET @TriggeredSendExternalKey = "43699"

        SetObjectProperty(@tsDef, "CustomerKey", @TriggeredSendExternalKey)

        SetObjectProperty(@ts, "TriggeredSendDefinition", @tsDef)

        SET @ts_sub = CreateObject("Subscriber")

        SetObjectProperty(@ts_sub, "SubscriberKey", @email)

        SetObjectProperty(@ts_sub, "EmailAddress", @email)

        SET @ts_attr = CreateObject("Attribute")

        SetObjectProperty(@ts_attr , "Name", "Name")

        SetObjectProperty(@ts_attr, "Value", @name)

        AddObjectArrayItem(@ts_sub, "Attributes", @ts_attr)

        SET @ts_attr = CreateObject("Attribute")

        SetObjectProperty(@ts_attr, "Name", "SubscriberKey")

        SetObjectProperty(@ts_attr, "Value", @SubscriberKey)

        AddObjectArrayItem(@ts_sub, "Attributes", @ts_attr)

        SET @ts_attr = CreateObject("Attribute")

        SetObjectProperty(@ts_attr, "Name", "EmailAddress")

        SetObjectProperty(@ts_attr, "Value", @email)

        AddObjectArrayItem(@ts_sub, "Attributes", @ts_attr)

        AddObjectArrayItem(@ts, "Subscribers", @ts_sub)

        SET @ts_statuscode = InvokeCreate(@ts, @errorCode)

    ]%%

I have tested on ampscript.io and getting some warnings. shared in attachment.

@AMPscript

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