Problem save/edit Potential on VTE 4.4.1 - blank page

After several test,
I found that the problem is not the handler but the workflow module.

If are active workflow on saving does not work. I have found this problem on my other installations.

someone find the solution? i have the same problem, thanks

- after editing a quote/order/invoice vte send me to a blank page

- i cannot fast edit a field and cannot insert a service into invoice/quote/orders and other modules...

- i have a "Failure:undefined" everytime i try to edit a workflow...

j have this error and blank page Fatal error: Call-time pass-by-reference has been removed in /var/www/vte4/include/database/PearDatabase.php on line 1282

The prb here php 5.4, restore php 5.3 and vte function thanks