CRM User with name; not found

[ShaeM]

I have encountered an error that where the Lead is unable to sync to our CRM (Salesforce) because the user cannot be found.  

exceptionMessage: CRM user with name ' {Sales User Name' not found

fault: Sync Lead to SFDC caught exception

Source: Marketo Flow Action

Has anyone received this error and resolved it?

[SanfordWhiteman]

Please show a screenshot of the Sync Lead to SFDC step.

[Chandan1]

I am facing same issue..

Here is the screenshot:

Thanks in advance!