lua: parse error in /opt/local/etc/sudoers near line 102

[apbrahme@…]

Excerpt of the Porticus

Computing dependencies for lua
Fetching lua
Attempting to fetch lua-5.1.4.tar.gz from http://ykf.ca.distfiles.macports.org/MacPorts/mpdistfiles/lua
Verifying checksum(s) for lua
Extracting lua
Applying patches to lua
Configuring lua
Building lua
Staging lua into destroot
Error: Target org.macports.destroot returned: shell command failed (see log for details)
Log for lua is at: /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_lang_lua/main.log
Error: Status 1 encountered during processing.
To report a bug, see <http://guide.macports.org/#project.tickets>

Excerpt from the main.log file:
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:info:destroot >>> /opt/local/etc/sudoers: /etc/sudoers.d near line 102 <<<
:info:destroot sudo: parse error in /opt/local/etc/sudoers near line 102
:info:destroot sudo: no valid sudoers sources found, quitting
:info:destroot make: *** [install] Error 1
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[ryandesign (Ryan Carsten Schmidt)]

Have you been editing your /opt/local/etc/sudoers file? What's on line 102? Is it your intention to even have that file? If not, you might remove it.