What steps will reproduce the problem?
1. Have mats for say 8x Skyfire Diamonds in your inventory
2. <combuctor-special combination>
3. select 'skyfire-diamon'-> all

What is the expected output?
All 8x diamonds are transmuted

What do you see instead?
It does stop after 2x.

What version of the product are you using?
Installed:3.1.3-1.2.6-nolib (Released: 2009/06/09)

Do you have an error log of what happened?
There is no error log available

Please provide any additional information below.
In general it does stop after having produced 2x items. Rarely i have been able to complete the whole 'queue'. I cannot yet deliver a pattern where it does work and where it breaks. But it's either just 2x or all so far, so it doesn't stop randomly.