Init the cNotSent var to avoid a null reference in VF; Modify the catch block to display a cleaner error and list the Opportunities not acknowledged.
Init the cNotSent var to avoid a null reference in VF; Modify the catch block to display a cleaner error and list the Opportunities not acknowledged.

Zosoled/Cumulus,Zosoled/Cumulus,Zosoled/Cumulus,Zosoled/Cumulus,SalesforceFoundation/Cumulus,SalesforceFoundation/Cumulus,SalesforceFoundation/Cumulus,SalesforceFoundation/Cumulus