ok thank you for you interest so my problem is: i try to create an analysis view ,i created first the schema with jasper analysis shema and i tested my mdx query it works fine after that i created a connexion with my schema and data source and i started cretaing the analysis view :i have always this error with thw mdx query :requete mdx not vallid, erreur lors de l'analyse de l'instruction mdx {0} i don't know why it works with jasper analysis schema here my schema,mdx query and a screen shot of the error thank you veryyyyy much