I suppose it is too late to undelete and there is no backup available. BREVERB 2 Cakewalk is part of the core CbB installer. There are no individual installers for plug-ins included in the core installer. The only way to get BREVERB 2 Cakewalk back is download and run the full CbB installer.  Full installers have names like Cakewalk_by_BandLab_Setup_27.12.0.102.exe and are over 500MB. Update installers have names like Cakewalk_by_BandLab_Update_Setup_27.12.0.102.exe and