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Former Member

Availability check during 'create Material Reservation'- MB21

Hello People,

I am facing a problem in Availability check during 'create Material Reservation'- MB21, in R/3. I am using a 311 movement type with availability check. The problem is, as soon as I CIF material (and its stock, reciepts etc) in APO the system starts giving hard error (as configured 'B' in dynamic availability check for movement type) even if there is NO shortage in supplying storage location. The availability check is showing APO ATP screen and stock in sub-locations correctly.

The problem only is not seen when material is moved out of active CIF model.

I have put the check control in APO for business event 03.

Is there any settings which I am missing.  Please help.

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4 Answers

  • Best Answer
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    Former Member
    Apr 15, 2012 at 10:47 AM

    Ankit,

    The Business event you will use in APO will be the same as the Checking Rule you have established for this transaction ERP.  OMB1 > Transaction code in ERP.

    I will assume that you are only using a product check in APO.  You can verify this by reviewing check instructions in APO configuration (SCM IMG > APO > GATP > General Settings > Maintain Check instructions). Usually (but not always), for a dynamic availability check during reservation creation you will be using product check first, and nothing else.  No RBA, No Production, no MATP.

    You can review the results of the APO GATP product check in CO09 in ERP.  Enter the checking rule you have established for your dynamic availability check.  Here, you can see exactly what is being considered, and why the system is not confirming your reservation.

    Best Regards,

    DB49.

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    • Former Member Former Member

      Thanks for the reply, couldn't agree more.. so parallely we have been working on MB21 settings revision too. your argument just makes the case stronger. Thanks.

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    Former Member
    Apr 15, 2012 at 12:27 AM

    Ankit,
    What do you mean 'hard error"?  Exactly what is the error message?

    Or, are you saying you are just not getting a confirmation during your ATP (which is not an error)?

    Best regards,

    DB49

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    Former Member
    Apr 15, 2012 at 02:31 AM

    Ankit

    If you have the ATP check integration model activated for the material plant, all ATP checks happen in APO. So you need to setup Check Instructions for the combination of Check Mode and Business Event. You can CIF over ATP customizing from ECC to APO to get check modes, business events, check instructions and check control settings from ECC to APO.

    Note that except for SD orders for which requirement class is determined from ECC and used as the check mode, in all other cases, the check mode is picked from APO product master. So this field should not be blank in your case.

    What is the error you are getting ?

    Rishi Menon

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    Former Member
    Apr 15, 2012 at 07:03 AM

    I hope images makes sence when you click them to enlarge.

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