Do to the recent version of Contract Configurator breaking some mods that use Blizzy's Toolbar, the code wrapper will need to be updated. This is one of the affected mods.

For more information about how Contract Configurator causes the problem: here

For the most recent version of ToolbarWrapper.cs: here

Updated. added to v1.2.5.7. may have been incorporated earlier, but to be sure, changes made for this version.