According to the result from Roles and Responsibilities of Blue Prism Developer -, a possible challenge of the Center of Excellence model is that it can create a bottleneck if the pipeline becomes too big. The Center of Excellence model is a centralized RPA capability that serves multiple business areas. However, this can also lead to high demand and limited resources, resulting in delays and inefficiencies. The other statements given are not challenges of the Center of Excellence model. References: Roles and Responsibilities of Blue Prism Developer -