Error reporting in a mobile telecommunications network

A a a core network and a UMTS ground radio access network (UTRAN) mobile network plug reporting method. The method comprises the steps: Is arranged on the core network and UTRAN one of them's preventing initial the entity of generating message plug, the angle information to the Iu interface transmission UTRAN and other two target entity to the core network, and an entity each of two message processing, a sound comprises a plug message or the prevent the angle information the counter. The plug target entity shaft hood according to including a plug or a rack in receiving the angle information distance counter's value recognizing initial preventing the entity.