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

URI:/ansatte/Blogginnlegg%2520fra%2520avtroppende%2520leder%2520av%2520Komit%25EF%25BF%25BD%25EF%25BF%25BD%2520for%2520kj%25EF%25BF%25BD%25EF%25BF%25BDnnsbalanse%2520i%2520forskning
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"