[TYPO3-commerce] Delete payment method

[Kevin Ulrich Moschallski]

Hi,

when i try to delete a payment article it gets inserted with a new UID 
again automaticly, when i try to hide it i get an error:

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL 
result resource in 
/var/www/verbuzzer/typo3_src/t3lib/class.t3lib_db.php on line 802

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL 
result resource in 
/var/www/verbuzzer/typo3_src/t3lib/class.t3lib_db.php on line 802

Warning: Cannot modify header information - headers already sent by 
(output started at 
/var/www/verbuzzer/typo3_src/t3lib/class.t3lib_db.php:802) in 
/var/www/verbuzzer/typo3_src/typo3/tce_db.php on line 225

I use commerce 0.9.1 but i tried it with the SVN too and got the same result.

Is deleting of payment articles not supported, is there a TS variable 
to select wich payment methods to display?

Greets
Kevin