Hi Christian,

that part of the system definitely needs some love and I understand your 
confusion.
If I well remember the intended behavior is the following:

* if "Fail If Items Are Not Available" is set to Yes: the system will only 
issue materials that are not reserved by a sales order; i.e. in order to 
succeed you will need enough ATP
* if "Fail If Items Are Not Available" is set to No: the system will possibly 
"steal" reserved items, if needed; i.e. in order to succeed you will need at 
least enough QOH
* in both cases, if there is not enough QOH for the materials, the operation 
will fail

I hope it helps,

Jacopo

On Mar 7, 2014, at 4:47 PM, Christian Carlow <[email protected]> wrote:

> Sorry, I should have been more clear. The same error indicating that there is 
> insufficient material inventory that occurs for the "Yes options also occurs 
> for the "No" option.
> 
> On 03/07/2014 09:44 AM, Christian Carlow wrote:
>> When the "Fail If Items Are Not Available" options are set to "No" and the 
>> "Materials Required By The Running Task" form is submitted, the same thing 
>> that happens when the value is set to "Yes" occurs. Is the "No" option 
>> supposed to allow issuances to occur even if the materials do not exist 
>> anywhere in inventory?  What is the purpose of that field?
> 

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