Incorrect Batch Determination

Hi All,

I'm having a problem in Production with batch determination.

We have a scenerio where for a product with multiple batches, all the quantity has to go from one single batch, so if the first batch batch doesn't have enough quantity the system automatically picks another batch which fulfills the quantity requirement.

And this is working fine most of the time, however some times the system would arbitarily skip the first or second batch and pick from the last batch even when the batches above it are fulfilling all the requirements. This happens for any material arbitarily.

Has anyone seen something like this before?

Ur help is appreciated!

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Shashi.