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Hello, I am setting-up Odoo V14 CE and run in an issue with the forecast when using Multiple BoMs.

 

We have 8 Semi-manufactured products (SMFG) which are configured “BoM Type: Manufacture this product”, set as Storable Product. Each of these BoMs contain 4 BoMs set as “BoM Type: kit” One of the BoMs is used in each SMFG.

 

So we have:

SMFG1                 SMFG2                 SMFG….x

BoM1a                  BoM1a                  BoM1a

 

BoM2a                  BoM2b                 BoM….xx

part-a                    part-a                    part-a

part-b                   part-b                   part-b

….                           …                             ……        

….                           …                             ……

 

BoM3a                  BoM3b                 BoM….xx

part-c                    part-c                    part-c   

….                           …                             ……

….                           …                             ……

 

BoM4a                  BoM4b                 BoM….xx

part-d                   part-d                   part-d

….                           …                             ……        

….                           …                             ……

               

When I make an production order for say 10 x SMFG1 and I look to the forecast in the product list, than all individual parts are the correct according to the parts and quantities that are stated in the BoMs. Also when I go to Inventory --> Replenishment all data is correct as well.

 

When I go to my 'product list' and I check the forecast for the BoM kits than there is an error and all BoMs have been forecasted. The forecast gives following:

 

BoM1a                  10

BoM2a                  10

BoM3a                  10

BoM4a                  10

 

BoM2b                 10

BoM3b                 10

BoM4b                 10

 

BoMxx                  10

BoMxx                  10

BoMxx                  10

 

I have figured out that the issue is caused by part-a, part-b, part-c and part-d. When I remove these items from the BoMs, the forecast works fine.

 

I am not an inventory expert, so my questions is whether this normal behaviour or do I something wrong or is this simply a bug in the program?

 

I am looking forward to your feedback.

 

Regards, Wiebren

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