Yes I'm using CronManager extra. The debug errors that I recieved are as follow:
[2013-01-16 16:27:02] (ERROR) GroupEletters->processQueue() - Run date: 2013-01-16 16:27:pm
[2013-01-16 16:27:02] (ERROR) GroupEletters->processQueue() -> newsletter->sendList() for 7 newsletter
[2013-01-16 16:27:02] (ERROR) EletterNewsletter->sendList() - Start send loop for 2 subscribers, processID: 1358350022
[2013-01-16 16:27:02] (ERROR) EletterNewsletter->sendList() - Sendone subscribers: 4
[email protected], processID: 1358350022
[2013-01-16 16:27:03] (ERROR) `[[*id]]` is not a valid integer and may not be passed to makeUrl()
[2013-01-16 16:27:03] (ERROR) `0` is not a valid integer and may not be passed to makeUrl()
[2013-01-16 16:27:13] (ERROR) EletterNewsletter->sendList() - Sendone subscribers: 2
[email protected], processID: 1358350022
[2013-01-16 16:27:13] (ERROR) `0` is not a valid integer and may not be passed to makeUrl()
[2013-01-16 16:28:47] (ERROR @ /manager/index.php) Error caching lexicon topic lexicon/en/core/dashboard
[2013-01-16 16:28:47] (ERROR @ /manager/index.php) Error caching lexicon topic lexicon/en/core/topmenu
[2013-01-16 16:28:47] (ERROR @ /manager/index.php) Error caching lexicon topic lexicon/en/core/file
[2013-01-16 16:28:47] (ERROR @ /manager/index.php) Error caching lexicon topic lexicon/en/core/action
[2013-01-16 16:28:48] (ERROR @ /manager/index.php) Error caching lexicon topic lexicon/en/core/action
[2013-01-16 16:28:48] (ERROR @ /manager/index.php) Error caching lexicon topic lexicon/en/core/system_events