exec: "net_stats_runner": executable file not found in $PATH

[croiuki]

I run acadock_monitoring on CentOS7, but stdout show these errors:
2016/07/15 19:36:42 Error fetching stats of 1cecd75b88113147046990a0d7a9c50d8fc0f882e7d0c1422e59eeb8f2164866 : exec: "net_stats_runner": executable file not found in $PATH
2016/07/15 19:36:42 Error fetching stats of 7a87ec9235528628dc040dcb74dfbf1af75b16695397c769a0cdf009b7507e68 : exec: "net_stats_runner": executable file not found in $PATH

How can i solve this problem? Thank you!