My macbook (Mid-2012, Non-retina) crashed today and it beeped. I managed to solve it by this video. Actually it did not solve. So i upgrade to Majove from Sierra. This way, my macbook start to boot. However, Safari and Mail apps won't open and when i try to "First Aid" on Disk Utility, it gave me

"error: spaceman chunk disk address out of order: 0x2600080, expected 0x2600000 Space manager is invalid.

What should i do?

Thank you very much

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