getting crawl errors (Not found url - 74,702) ?

Question

I'm getting 74,702 url  crawl errors in Smartphone .

How to fix all Not found URL ? 

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Comments

Must be an issue with your server setting or .htaccess.

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in the last December, I was got 80,000 + page not found 404 for my server issue.
Generally, google accept 1,000 URL fixed per day. I have been fixed 16,000 pages not found by per day 1,000 url. Now, 404 not found page url have 64,725.
Now, how can fixed all url.