grace/grace6 installation failed due to missing gconf-schemas

[Lubos Vrbka <lists@vrbka.net>]

hi guys,

today i experienced the following problem while trying to install 
grace/grace6 on an amd64 box:

Setting up grace (5.1.20-3) ...
/var/lib/dpkg/info/grace.postinst: line 32: gconf-schemas: command not found
dpkg: error processing grace (--configure):
 subprocess post-installation script returned error exit status 127
Setting up grace6 (5.99.1+dev4-2) ...
/var/lib/dpkg/info/grace6.postinst: line 32: gconf-schemas: command not 
found
dpkg: error processing grace6 (--configure):
 subprocess post-installation script returned error exit status 127
Errors were encountered while processing:
 grace
 grace6
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install.  Trying to recover:
Setting up grace6 (5.99.1+dev4-2) ...
/var/lib/dpkg/info/grace6.postinst: line 32: gconf-schemas: command not 
found
dpkg: error processing grace6 (--configure):
 subprocess post-installation script returned error exit status 127
Setting up grace (5.1.20-3) ...
/var/lib/dpkg/info/grace.postinst: line 32: gconf-schemas: command not found
dpkg: error processing grace (--configure):
 subprocess post-installation script returned error exit status 127
Errors were encountered while processing:
 grace6
 grace

any hints regarding what's going on here?

thanks,

--
Lubos _@_"
http://www.lubos.vrbka.net