Run Action - Delete person from Salesforce error

[Anonymous]

trying to run this from within Marketo (so the lead is deleted in Salesforce, but not in Marketo) - and get the error: -

failed to delete SFDC Contact ID: INSUFFICIENT_ACCESS_OR_READONLY: insufficient access rights on object id

Marketo syncuser profile in salesforce has delete rights on the lead and contact objects, but there's something else. I can't add Modify All because this looks like it will overwrite our Sharing Rules which contain a lot of restrictions - to hide 'crap' from Marketo...any ideas?

[Steven_Vanderb3]

Some past discussions mention that this error may be an issue with an incorrect value for the Record Type ID being saved in Marketo.  Something to try taking a look at.  INSUFFICIENT_ACCESS_OR_READONLY: insufficient access rights on object id