Search the forum for anything related to the "out of sync" error or the newest 1.17.5 patch.
Some links:
http://forum.1cpublishing.eu/showthread.php?t=14661
http://forum.1cpublishing.eu/showthread.php?t=14691
http://www.digitalmindsoft.eu/forums...php?f=9&t=6618
I assume you own the English version. If that is the case make sure you install the 1.17.5 patch fix on top of the 1.17.5 patch.
I took me 2 days to sort it out, so good luck to you.
