Solve theme installation problem?

Your theme is using taxonomy term metadata that did not become available until Version 4.4 of wordpress.

Refer to: https://make.wordpress.org/core/2015/10/23/4-4-taxonomy-roundup/ if you want to read up on this.

You need to upgrade your WordPress installation to 4.4 or above (latest is 4.5.1) or modify your theme.

https://codex.wordpress.org/Updating_WordPress

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