This has been a reported issue already and our engineers are currently working on it. I’d suggest contacting QuickBooks Online Customer Care so you’ll be added to the customer list that will receive an email update once this is fixed.
Resolution for 'Attachment Bug issue: 'Vendor Transaction View – Attachment Bug' available: Yes.
The Attachment Bug issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the Attachment Bug issue yourself by looking for a resolution described in the article. If it is a complex Attachment Bug issue or you are unable to solve the issue, you may contact us by clicking here or by using other Attachment Bug support options.
For more information about resolving issues related to Attachment Bug in Quickbooks/QBO or to get support for the issue 'Vendor Transaction View – Attachment Bug', click the link below: