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block field G/L account in MB21

percyrozas
Explorer
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141

Hi Experts

The business has requested me to block the G/L account field in the creation of the direct material reservation (MB51). The request is because the generating user many times changes the G/L account that the system defaults based on the material valuation class in the material master data.

In Spro I did not find the option to set the mentioned field as read. Please let me know if you know of any way to block the mentioned field.

Thanks

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raymond_giuseppi
Active Contributor
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MB21 or MB51 (a list?)

Did you look for Customizing  transaction such as OMJJ or for a dynamic Abap check BAdI (similar to MB_RESERVATION_BADI or MB_RESERVATION_SCR but for accounting screen?) or Enhancement (such as ES_SAPMM07R)

percyrozas
Explorer
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Hi Raymond, From the OMJJ transaction it is not possible to block the mentioned field. It seems that I am going to require the intervention of an ABAP