linux cacti 创建不了图像!大佬求解，谢谢！

Question

系统环境：

    centos6.8
    httpd2.2.7
    mysql 5.7
    php5.3

LAMP 环境 运行正常

    cacti 0.8.8a
    rrdtool 1.4.5       
    net-snmp-5.5-60

创建图像：

显示错误结果：

错误提示：

Created graph: Localhost - Disk Space - |query_dskDevice|
ERROR: no Data Source associated. Check Template
Created graph: Localhost - Disk Space - |query_dskDevice|
ERROR: no Data Source associated. Check Template
Created graph: Localhost - Disk Space - |query_dskDevice|
ERROR: no Data Source associated. Check Template
Created graph: Localhost - Disk Space - |query_dskDevice|
ERROR: no Data Source associated. Check Template

网上全是创建了图像不显示的解决方法，我也试了不管用，我这个直接就创建不了图像，实在是找不到不知道怎么解决了，求大佬解惑！谢谢！

Answer 1

https://blog.51cto.com/lovemy/1705147