HTTP ERROR 500 org.springframework.security.web.firewall.RequestRejectedException: The request was rejected because the URL contained a potentially malicious String "%25"

URI:/ansatte/Podcast%2520%25EF%25BF%25BD%25EF%25BF%25BD%25EF%25BF%25BD%252050%2520forskere,%2520UiT%252050%2520%25EF%25BF%25BD%25EF%25BF%25BDr
STATUS:500
MESSAGE:org.springframework.security.web.firewall.RequestRejectedException: The request was rejected because the URL contained a potentially malicious String "%25"
SERVLET:dispatcherServlet
CAUSED BY:org.springframework.security.web.firewall.RequestRejectedException: The request was rejected because the URL contained a potentially malicious String "%25"