Sen2cor installed successfully but not able to process correctly

I have installed sen2cor on ubuntu 16.04 LTS. But when I am trying to process it, results in an error. Please any one let me know the procedure to resolve this issue.
Syntax error in metadata, see report file for details.
Parsing error:
Schema file: S2-PDGS-TAS-DI-PSD-V14.2_Schema/S2_User_Product_Level-2A_Metadata.xsd
Details: Element ‘L2A_Product_Organisation’: Missing child element(s). Expected is ( Granule_List ).
Progress[%]: 100.00 : Application terminated with at least one error.

Please find snap of error attached herewith.