SendGrid Attachment problem with output from Qlik Reporting Generate Report

[Greg_Oliven]

I am having trouble with this QRS - SendGrid flow:

I get the message right away without the attachment, but when I try to take the output of the Create Attachment From Base 64 block as my attachments in the SendGrid Send Email block with this config:

I get this error:

Can anyone see what I am missing? Many thanks.

[Greg_Oliven · Accepted solution]

I figured this one out -I had to apply a formula for base64 encoding in the Create Attachment from Base 64 block (in the Attachment Content field) - to the output from Generate Report block.