The equipment indicates that the vehicle to which the installation belongs is empty.

1、 problem description:

• The device cannot be deleted. The device management shows that the owned vehicle is empty and the associated vehicle is installed.
  

2、 operating instructions: the database to delete the equipment data

• 2.1. with the help of Navicat for mysql tool [see:[database access information and access operation], connect mysql database;

• 2.2. Create a new query and execute the statement: DELETE FROM jt808_device_info WHERE INSTALL = 1 and devIDNO not in (SELECT DevIDNO FROM jt808_vehicle_device_relation WHERE devIDNO), click Run