Error: Invalid Query

The return URL 'https://wiki.animation-luzern.ch/Shibboleth.sso/Login?SAMLDS=1&page=User:Fred.truniger@hslu.ch&target=ss%3Amem%3Aac1cff587f8ed8ff3f4c34e09f187e5bc340209ae0424b8bff79d4694d37d513' could not be verified for Service Provider 'https://wiki.animation-luzern.ch/shibboleth'.

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