I am facing error in installing the custom rom on my Galaxy SIII

I am getting an error in installing MIUI custom rom on my Samsung Galaxy SIII GT-I9300. Error description is below -

First I got a warning: No file_contextsFormatting System. . .

Then after that i got this -
Installing system files. . .
Creating system links. . .
Set permission. . .
Update Boot image. . .
set_metadata: some changes failed
E:Error in sdcard/miui_i9300_shuaidi_6.1.22_db05ba4f80_4.4.zip (Status 7)
Installation aborted.

Kindly help me on this.

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