Error - Settlement for Production order Co88

Question

Hello,
Before Dec 2009 the FG material xxxxx has been goods movement post without maintained split valuation. Then Dec2009 the material xxxxx has been extended to split valuated.
While process of production order settlement against said material through CO88, we are facing one error Valuation Type not set for material xxxx.
What could be the reason that system is showing the error.
Best Regards,
Avijit

Answer 1

Hi,
If no valuation category has been assigned to a material (MBEW-BWTTY is
blank), and you wish to assign multiple valuation categories (split    
valuation) to this material, then the material must not have linked    
documents and the stock must be zero for both the current and previous 
periods.
The reason of this restriction is that objects that are open and              
refer to valuation data without split valuation can result in                 
inconsistencies if the valuation category is changed.                         
So If you want to subsequently change the valuation control for a material       
to split valuation, you should previously check the following:                                                                               
- No stock is available for the material                                      
- All production orders must be closed                                        
- No purchase order can still be opened                                                                               
These checkings will avoid inconsistencies or undesired side-effects.    
Consequentely you can not change a valuation category of a material    
if there are purchase order item lines (even if the purchase order is  
completed) or if a stock balance exists for that material.             
For more information concerning limitations associated with changing the
valuation category, you can see note 30656.  (Although this note is  
used primarily regarding a change to the Unit of Measurement, the      
functionality is very similar).                                        
Please also check note 155874, which outlines what must be performed   
in order to change the valuation category.                             
Best regards,
MLM