logrotate fails since update

[Catscrash]

Hi,
I updated from RC6 to one of the trunks some weeks ago and since then i always get these mails:

Code:

Use of uninitialized value in concatenation (.) or string at /var/www/ispcp/engine/traffic/ispcp-vrl-traff line 144.
Can't exec "-s": No such file or directory at /var/www/ispcp/engine/traffic/ispcp-vrl-traff line 90.
Use of uninitialized value in concatenation (.) or string at /var/www/ispcp/engine/traffic/ispcp-vrl-traff line 144.
Can't exec "-s": No such file or directory at /var/www/ispcp/engine/traffic/ispcp-vrl-traff line 90.
Use of uninitialized value in concatenation (.) or string at /var/www/ispcp/engine/traffic/ispcp-vrl-traff line 144.
Can't exec "-s": No such file or directory at /var/www/ispcp/engine/traffic/ispcp-vrl-traff line 90.
Use of uninitialized value in concatenation (.) or string at /var/www/ispcp/engine/traffic/ispcp-vrl-traff line 144.
Can't exec "-s": No such file or directory at /var/www/ispcp/engine/traffic/ispcp-vrl-traff line 90.
Use of uninitialized value in concatenation (.) or string at /var/www/ispcp/engine/traffic/ispcp-vrl-traff line 144.
Can't exec "-s": No such file or directory at /var/www/ispcp/engine/traffic/ispcp-vrl-traff line 90.

How to fix this?

Thanks