Problem After I installed Version 2.7.4

[rapao]

Hello,
My joomla is 1.5.20
After install Phoca Gallery 2.7.4 I get this message in control Panel Images:

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in /home/xxxxxx/public_html/libraries/joomla/database/database/mysql.php on line 344

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in /home/xxxxxx/public_html/libraries/joomla/database/database/mysql.php on line 344

Warning: Invalid argument supplied for foreach() in /home/xxxxxx/public_html/administrator/components/com_phocagallery/libraries/phocagallery/render/renderadmin.php on line 65

Some Help MY ?
Thank´s all.

[Jan]

Hi, see:
https://www.phoca.cz/documents/2-phoca-g ... em-solving

https://www.phoca.cz/documents/16-joomla ... rs-on-site (enable debug mode to get more info about error message in the database)

Jan