translate English to French: A number of difficulties were encountered.  For example, some operational programmes experienced delays in implementation due essentially to the slow formulation of the national programmes from which the support programmes had to be derived.
Parmi les difficultés rencontrées, il convient de citer les retards enregistrés dans la mise en oeuvre de certains programmes opérationnels; retards dus essentiellement à la lenteur dans la formulation des programmes nationaux desquels devaient découler les programmes d'appui.