Error: Invalid Query

The return URL 'https://wiki.animation-luzern.ch/Shibboleth.sso/Login?SAMLDS=1&page=User_talk:Jean.first@hslu.ch&target=ss%3Amem%3A943c7d9795675e92c8541e687bd359c4cb8a328c96c28a3a442b3036cdd31226' could not be verified for Service Provider 'https://wiki.animation-luzern.ch/shibboleth'.

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