[ZenOn 6.22 Build 1] Problem to compile commands

[ZenOn 6.22 Build 1] Problem to compile commands

Hello,
After updating our scada project to supervise wind machines, There are some problems which appear :
(in french)
.

Screen capture of that problem :

To fix it, I have imported variable before updating. But I wish to know why that problem appears, what is the cause ?
Info : variables IEC 61850.
Thanks for helping me.

This is a migrated post! Originally posted on 16.11.2010 by user julienk. Please be aware that information can be outdated.