List of Mail Merge Templates via Deluge

Hello,

Is it possible to get a list of the mail merge templates I've created in CRM within a custom function? I want to retrieve them and put them in a dropdown list but all I get is a scopes error! Can anyone see where I'm going wrong? Is this even possible?

Code:

templatesResponse = invokeurl

[

url: "https://www.zohoapis.eu/crm/v2/settings/templates?type=mailmerge&module=Deals"

type: GET

connection: "xxx"

];

Error:

templatesResponse : {"code":"OAUTH_SCOPE_MISMATCH","details":{},"message":"invalid oauth scope to access this URL","status":"error"}

Scopes:

ZohoCRM.send_mail.deals.Create

ZohoCRM.templates.email.READ

ZohoCRM.Files.CREATE

ZohoCRM.settings.mailmerge.CREATE

ZohoCRM.modules.deals.READ

ZohoWriter.Merge.ALL

ZohoCRM.modules.contacts.READ

ZohoCRM.settings.mailmerge.ALL

ZohoCRM.settings.mailmerge.UPDATE

ZohoWriter.merge.ALL

ZohoCRM.settings.mailmerge.DELETE

ZohoCRM.settings.mailmerge.READ

ZohoWriter.documentEditor.ALL

ZohoCRM.settings.workdrive.ALL

ZohoCRM.settings.message_templates.READ

What am I missing?!

Emma