[Typo3] tt_guest: Division by zero in typo3/ext/tt_guest/pi/class.recordnavigator.php on line 43

[thomas peter]

hi folks,
i just mentioned that tt_news 1.0.8 used in 3.7.0 produces the following
error:

Warning: Division by zero in
typo3_src-3.7.0/typo3/ext/tt_guest/pi/class.recordnavigator.php on line 43
Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL
result resource in typo3_src-3.7.0/t3lib/class.t3lib_db.php on line 723
Warning: session_register(): Cannot send session cache limiter - headers
already sent (output started at
typo3_src-3.7.0/typo3/ext/tt_guest/pi/class.recordnavigator.php:43) in
subs/www/typo3conf/ext/de_phpot/res1/phpot/class.tx_dephpot_phpopentracker_container.php
on line 39
Warning: Cannot modify header information - headers already sent by
(output started at
typo3_src-3.7.0/typo3/ext/tt_guest/pi/class.recordnavigator.php:43) in
typo3_src-3.7.0/typo3/sysext/cms/tslib/class.tslib_fe.php on line 2402

any ideas?
thanx,
thomas