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

URI:/ansatte/Sigfrid%2520Kjeldaas%2520awarded%2520the%2520Arctic%2520Frontiers'%2520Nansen%2520Early%2520Career%2520Award.
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"