Mutation is missing to evolve class: CSWS.WBS version: 0 Error: java.lang.ClassN
Mutation is missing to evolve class: CSWS.WBSSpread version: 0 Error: java.lang.
(Note that when upgrading an application in a replicated environment, this excep
tion may indicate that the Master was mistakenly upgraded before this Replica co
uld be upgraded, and the solution is to upgrade this Replica.)