Network slice of a mobile communication network, the network slice comprising: a local error handling entity; a first network element comprising a first error monitoring function, wherein the first error monitoring function has a monitoring mode and a repair mode, wherein in the monitoring mode the first error monitoring function is configured to determine a first communication parameter of the first network element and to provide the first communication parameter to the local error handling entity and wherein in the repair mode the first error monitoring function is configured to switch the first network element into a predefined state; and a second network element comprising a second error monitoring function (131 x), wherein the second error monitoring function has a monitoring mode and a repair mode, wherein in the monitoring mode the second error monitoring function is configured to determine a second communication parameter of the second network element and to provide the second communication parameter to the local error handling entity and wherein in the repair mode the second error monitoring function is configured to switch the second network element into a predefined state; wherein the local error handling entity is configured to check a first error condition based on the first communication parameter and at least one first reference parameter and, in the event of a first error, switch the first error monitoring function into the repair mode and wherein the local error handling entity is configured to check a second error condition based on the second communication parameter and at least one second reference parameter and, in the event of a second error, switch the second error monitoring function into the repair mode, wherein the local error handling entity is further configured to report an error to a global error handling entity of the communication network, in case the first network element and/or the second network element cannot be switched into the predefined state. a local error handling entity; a first network element comprising a first error monitoring function, wherein the first error monitoring function has a monitoring mode and a repair mode, wherein in the monitoring mode the first error monitoring function is configured to determine a first communication parameter of the first network element and to provide the first communication parameter to the local error handling entity and wherein in the repair mode the first error monitoring function is configured to switch the first network element into a predefined state; and a second network element comprising a second error monitoring function (131 x), wherein the second error monitoring function has a monitoring mode and a repair mode, wherein in the monitoring mode the second error monitoring function is configured to determine a second communication parameter of the second network element and to provide the second communication parameter to the local error handling entity and wherein in the repair mode the second error monitoring function is configured to switch the second network element into a predefined state; wherein the local error handling entity is configured to check a first error condition based on the first communication parameter and at least one first reference parameter and, in the event of a first error, switch the first error monitoring function into the repair mode and wherein the local error handling entity is configured to check a second error condition based on the second communication parameter and at least one second reference parameter and, in the event of a second error, switch the second error monitoring function into the repair mode, wherein the local error handling entity is further configured to report an error to a global error handling entity of the communication network, in case the first network element and/or the second network element cannot be switched into the predefined state.