Data lock in STS

Hi,
   Following is the online documents about how to define the header char in STS:
   "Select the option Define Header Chars for Planning Session and choose Execute.
The system displays a dialog box in which you can select characteristics. You have already determined the planning area and a particular InfoCube by assigning a hierarchy to the selected subplan. The dialog box allows you to select those characteristic values of this InfoCube for which plan data is to be entered in the chosen planning session.
The selection that you set for the header characteristics is used by the system to delimit the dataspace which is locked against changes after the completion of a planning session. If possible, you should only make a restriction to central characteristics, typically to the version- and time-bearing characteristics.
   After configure the char for header in STS, I notice that only those char in the header of the layout can be used to define to lock the data. in the above example, if the version is in the data column of you layout,you want to lock version A after you send for approval. the lock is not going to take effect. after I change the layout and move the version to the header of the layout, the lock is effected.
   Is this suppose to be in STS?
   I think the lock in STS is the same concept with data slice, while in data slice you can choose any char to lock the data.
   Anybody have any ideal?

JW,
STS locking works differently from data slices. STS compares the complete planning package to the STS header characteristics. The package is only locked if it is completely included in the header selection.
Data slices work on data records. Therefore data slices can lock only parts of a layout.
Regards,
Marc
SAP NetWeaver RIG

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In our business scenerio we are creating some business transaction through portal by which in background Purchase order gets created based on info record (all are Z development) then immediately Goods receipt is created.
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2) keeping purchase order in edit mode having same material code but encounter another error "object requested is currently locked by user yyyy-Error type E error ID MC error number 601
3) keeping MIGO for same material code in creation mode but donot encounter any error.
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in background Purchase order gets created based on info record (all are Z development) then immediately Goods receipt is created.
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Mattias Ericsson
Endevo Sweden
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Data lock in STS

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