When using Navicat 12 for MySQL, when running the SQL file, an error is reported:[ERR]2013 – Lost Connection to MySQL Server During Query
1. When running the SQL file, an error is reported:[ERR]2013 – Lost Connection to MySQL Server During During Query, as shown in Figure 1
[错误]2013 – Loss of connection to mysql server during query
![运行 SQL 文件时，报错：[ERR] 2013 - Lost connection to MySQL server during query](http://www.shuijingwanwq.com/wp-content/uploads/2017/08/1-3.png)
Figure 1
Figure 2
3. Change max_allowed_packet=4m to max_allowed_packet=256m, as shown in Figure 3
Figure 3
4. Stop the MySQL server, as shown in Figure 4
Figure 4
5. Run the MySQL server, as shown in Figure 5
Figure 5
6. Run the SQL file again, the encoding is selected: 65001 (UTF-8), as shown in Figure 6
Figure 6
7. The operation is successful, and there is no error, as shown in Figure 7
Figure 7
