Need Help w/ Plugin

install the plug plugmosTreeLinks and get the next mistake:

XML Parsing Error at 7:4294967322. Error 4: not well-formedXML Parsing Error at 7:4294967322. Error 4: not well-formedXML Parsing Error at 7:4294967322. Error 4: not well-formed
Fatal error: Call to a member function on a non-object in /home/*****/*****/www/administrator/components/com_comprofiler/library/cb/cb.installer.php on line 611

how to fix it?

I get the sa,e errir anybody have an Idea

XML Parsing Error at 7:4294967322. Error 4: not well-formedXML Parsing Error at 7:4294967322. Error 4: not well-formedXML Parsing Error at 7:4294967322. Error 4: not well-formed

Fatal error: Call to a member function on a non-object in /home/*****/*****/www/administrator/components/com_comprofiler/library/cb/cb.installer.php on line 611