Unable to move a page when special characters are involved

When moving a page to a new parent page (with a special character in the title), you get a "breadcrumb..." error.

Steps to replicate:

• Create page with special character in title such as: Page ä
• Try to move another page with "Page ä" als parent page
• Fail

This seems to be the same bug described in CONF-32160, but we're using a newer version of Confluence.