**** Counts do not match
     Single equations in unmatched =E= blocks      216
     Unmatched single free variables               195

**** Unmatched free variables = 195
     PA(ACT1)
     PA(ACT2)
     PA(ACT3)
     PA(ACT4)
     PA(ACT5)
     PA(ACT6)
     PA(ACT7)
     PVA(ACT1)
     PVA(ACT2)
     PVA(ACT3)

这个错误怎么修改，因为接触CGE时间不长，还是自学，希望大家给些指导，谢谢！