Warning: Invalid argument supplied for foreach

[Sadicer]

error message appears after update: Warning: Invalid argument supplied for foreach() in /membri/sadiceramiche/administrator/components/com_virtuemart/models/customfields.php on line 152

this is a link for page error http://sadiceramiche.altervista.org/ceramiche-di-caltagirone/ceramiche-di-caltagirone-teste-di-moro.html

[GJC Web Design]

no versions
no info on what u updated or from what....

it is only a warning .. reporting is too high for a production site
updated the custom fields with the vm tools?

[Sadicer]

VM 2 Joomla 2.5
Warning: Invalid argument supplied for foreach() in /membri/sadiceramiche/administrator/components/com_virtuemart/models/customfields.php on line 152

Warning: array_merge() [function.array-merge]: Argument #2 is not an array in /membri/sadiceramiche/administrator/components/com_virtuemart/models/customfields.php on line 157

[GJC Web Design]

Man o man   

http://forum.virtuemart.net/index.php?topic=79799.0

http://forum.virtuemart.net/index.php?topic=104795.0