Cubase elements 7 i can´t open a project

I need help
cubase not let me open my last project, but if the above. appears this message: there has been a grave error: Please try to save your project under another name and start Cubase LE Al Elements 7.exe again. If the problem is not solved send the file crashdumps \ Cubase LE 64-bit 2015.6.12 15.51.dmp

[img][C:\Users\pc dell\Desktop/Error cubase] is ON