Config change: The pvpstatus-enabled actionbar config setting has been merged into pvp-enabled-color-prefix (and pvpstatus-disabled respectively).
toggleable-actionbar.pvpstatus-enabled and toggleable-actionbar.pvpstatus-disabled are no longer used!
To fix the actionbar message, change pvp-enabled-color-prefix to "<gradient:#b82a11:#d41c43>PVP: <aqua>Enabled</aqua></gradient>" and pvp-disabled-color-prefix to"<gradient:#d41c43:#b82a11>PVP: <green>Disabled</green></gradient>"