have error with track.pl

[cdbao]

ZM is a perfect application ,and when I upgrade to 1.23.1 I get some error so I can't track the motion by zmtrack.pl

Use of uninitialized value in concatenation (.) or string at /usr/local/bin/zmtrack.pl line 146.
Can't exec "/usr/local/bin/": Permission denied at /usr/local/bin/zmtrack.pl lin e 150.

and it's stop tracking motion.
anyone can be solve for help me!!!

Thanks very much

[zoneminder]

You have found a bug! I have found the problem and will fix it for the next release.