Could not open file located at "/:b:/r/sites/Public/PI/DEU/2924115_PI_Anderol%20Bioguard%20FRHF%2046.pdf". SharePoint has responded with status code 400, error was: {"error":{"code":"-2147024809, System.ArgumentException","message":{"lang":"de-DE","value":"Server relative urls must start with SPWeb.ServerRelativeUrl"}}}