Summary

Customer is not able to use filters on the JIRA Issue Calendar on a Confluence page, when the customer sets a filter the following message appears:
"The filter chosen for this issue calendar either does not exist or is not shared with you".

JIRA error when attempting to load the page containing the JCAL macro:

2017-10-10 16:03:06.320	ERROR	com.atlassian.jira.ext.calendar.HtmlCalendar	The project chosen (null) doesn't exist or that user doesn't the appropriate permission. Invalid searchId given 10004	Invalid searchId given 10004	

Environment

Cloud - Confluence 1000.0.0-a3ab3aa

Steps to Reproduce

1. Go to a Confluence page
2. Edit the page and add a JIRA Issue Calendar macro to it
3. Set it with the a filter
4. It will load and the message will be displayed: "The filter chosen for this issue calendar either does not exist or is not shared with you".

Expected Results

The results from the filter should be displayed.

Actual Results

"The filter chosen for this issue calendar either does not exist or is not shared with you"

Workaround

None