4
What it means is that:
a) the constants are defined in two different locations
b) XOOPS is reading English and Russian definitions at the same time
In both cases, it creates conflict for XOOPS.
1) Run search for a constant, e.g. "_MI_PROTECTOR_NAME" in XOOPS installation, incl. /xoops_lib
2) report back the locations you've found it.