PR Release procedure with cost center

Dear SAP Expert, 

I person a request to person PR workflow via Cost center, I'm utilizing the aged merchandise process and not the --flexible workflow

the contented is tha the merchandise is not triggred erstwhile I make PR

TE CLASSIF : 

THE CARACTERISTIC  Cost center 

CL24N

--> I wanted to cheque if my config is correct, truthful I region the outgo halfway from my classification and did a PR without outgo halfway and the merchandise is triggred truthful the merchandise is configured correctely, 

Could you delight archer maine what did I miss ? 

I can't usage the flexible workflow since we dont person HR module (to make the approuvers arsenic Employee) and it tin beryllium analyzable to usage and Iam not definite if it's going to enactment for outgo halfway oregon not, ... but if it's the lone solution I tin power to flexible