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I will explain to you how to update “Blackfyre types” plugin.
First, and the most common case is to completely remove outdated version.
You will see notification at the top of the page about missing plugins. Update it. Done.
Second case, if you don’t get notification. Activate any other theme but Blackfyre and then activate Blackfyre.
Third case, if none of the listed above works, delete plugin from your FTP plugins folder, and then upload this file there.
That should be everything.