Backtick (MySQL norm) added to SQL Server Query causing error

I can’t simulate this on a clean install of WordPress. So probably there is some extra filtering of XSS/Injection prevention happening on the server side. You should probably check that out first.

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Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)