project on step7 basic v12

السلام عليكم اخواني
لدي project ل plc s7 1200 معمول على TIA portal v12 basic sp1/wincc مشكلتي ان لدي TIA PORTAL V12 PROFESSIONAL و PROJECT لا يفتح اخوانى اعينوني جزاكم الله خيرا
سلام الله عليكم

i need your helps my brothers please
i have a project with TIA portal v12
when i wont to open the project in my software of siemnes he can not open the project because the project is win-step7 basic v12 sp1
-wincc basic sp1
-wincc comfort v11 upate 2
and me i have the wincc v12
can some one help me please
salaam alikoum