Issue: 

The search and category page are down after installing the extension:

1 exception(s): Exception #0 (ReflectionException): Class Bss\MultiStoreViewPricing\Model\Search\FilterMapper\ExclusionStrategy does not exist 
Exception #0 (ReflectionException): Class Bss\MultiStoreViewPricing\Model\Search\FilterMapper\ExclusionStrategy does not exist
 

Solution:

The cause of the issue is due to the missing file ExclusionStrategy. 

Thus, could you please create new folder 'Bss\MultiStoreViewPricing\Model\Search\FilterMapper\ExclusionStrategy' then add the attached file to the folder? 

If there is any issue, please let us know.