Typical threats connected with the implementation of Business Intelligence systems are:
Poorly estimated costs and time of realization
Badly estimated implementation aims
Lack of client commitment
Lack of employees responsible for the implementation
Lack of support for the project and low awareness of changes
Communication problems
The main problems appear at the begining with a significant impact on the project. Their consequences lengthen the time of achieving aims, and they negatively affect the involvement and completion of the project.