Kibana version: 7.7.0-SNAPSHOT

Elasticsearch version:

Server OS version:

Browser version:

Browser OS version:

Original install method (e.g. download page, yum, from source, etc.):

Describe the bug:

Steps to reproduce:

1. Load up sample data
2. Print the dashboard( PNG /PDF)
3. From the Management >Reporting - see that the report failed. With the following error as shown in screenshot.

Expected behavior:

Screenshots (if relevant):

Errors in browser console (if relevant):

Provide logs and/or server output (if relevant):

Any additional context: