FIELD: medicine.SUBSTANCE: group of inventions refers to medicine, namely to measurement of analyte. Disclosed is a method of initiating a system for measuring an analyte, designed to continuously measure in vivo concentration of an analyte in a physiological fluid, involving the following steps: a) preparing a system comprising a control device and a separate on-site measuring device mounted on the skin and comprising a disposable component and an electronic component, wherein the disposable component comprises a transcutaneous analyte sensor and a machine-readable sensor identifier which is unique to the analyte sensor, and the electronic component is configured to detachably connect to the disposable component during the period of use, b) preparing a group of sets of stored initialisation data in a remote database system, wherein each set of stored initialisation data comprises initialisation data for the batch of analyte sensors and calibration data of the sensor, c) reading by the control device the sensor identifier from the disposable component and transmitting the sensor identifier to the remote database system, d) determining a set of initialisation data, which is a set of stored initialisation data which corresponds to a sensor identifier, e) transmitting a set of initialisation data from the remote database system to the control device, e) transmitting a suitable set of initialisation data to an electronic component and storing a suitable set of initialisation data in electronic component memory. Disclosed is a method of obtaining data for analyzing operational complaints with respect to an analyte sensor of an analyte measurement system configured to continuously measure in vivo analyte concentration in a physiological fluid, involving the following steps: I) implementing a method of initialising a system for measuring an analyte, ii) transmitting a sensor identifier from a storage device to an analyzer, III) determination of suitable production data by
