“…hierarchical structure of criteria contributing to the failure of information systems (ISs) Lack of proper tests to evaluate the accuracy of IS projects [39,43,44,46,49-54] Poor risk management [20,34,39,42-44,49,50,52,55-61] Weak management of requirement[1,27,31,34,37,39,42,46,48,50,[52][53][54][56][57][58][59][61][62][63][64][65][66] Poor relationship between the implementation consultant and managers[1,27,28,31,34,39,42,44-51,53,54,56-59,61,66-68,70,71,73,74, …”