On the other hand, ENGCO’s centralized organizational structure and hierarchical decision-making structure enabled ENGCO to response changes quickly. However, since ENGCO had a quite short time period (originally scheduled for six months) for the ERP project, it did not have enough time to prepare for changes. As ENGCO started to train staff about how to use ERP after “go-live”, the complex ERP system gave staff a long learning curve and thus increased possibility to make errors in the system. Consequently, it heavily increased workload to IT staff to support requests and stabilize the ERP system