BOM Data migration through LSMW

[Former Member]

Hello,

I have few questions regarding BOM data migration. Please let me know if you have any thoughts on this.

1) Which method is best for loading BOMs, is it Standard Input or Batch Recording

2) When you define source structures, do I need to have one for header and one for item level, if your answer is yes, will item level source structures lies in same level as that of header level

3)Do I have to maintain source relations for both the header and item

4)How should I have the data load file prepared. Both header and Item on a single file or ontwo different files. Can you please share the format. What will be the format if there are multiple components in a BOM

if you have any kind of documentation for BOM data migration please share with me.

Thanks in advance

~Kole

[Former Member]

but remember one thing if is there any zfields in transaction there is no use of direct input u have to use recording method

[Former Member]

Hi,

1,

Standard batch input is the best method for uploading boms.

use this in method in LSMW

Object 0030 Material BOM

Method 0001 Create

Program Name RCSBI010

Program Type B Batch Input

2, Yes, but item level should not be in same level as header level.Item level should be child of the header level.

3, You need to have common fileds in header and itam strucutre that will releate corresponding header with item

eg

MATNR

WERKS

STLAN

STALT

Above four fields should be common in both header and item file.

4, You can have two seprate file of header and item.

Header strucure sample:

MATNR

WERKS

STLAN

AENNR

STALT

DATUV

EXSTL

ZTEXT

STKTX

BMENG

STLST

LOSVN

LOSBS

STLBE

Item strucute Sample.

YSYS

YSOUKEY

WERKS

STLAN

STALT

POSTP

IDNRK

MENGE_C

AUSCH

AVOAU

NETAU

FMENG

KZKUP

SCHGT

BEIKZ

LGORT

ITSOB

UPOSZ

EBORT

UPMNG_C

UPTXT

NFEAG

NFGRP

POSNR

SORTF

DSPST

SANKA

DATUV_ITEM

DATUB_ITEM

MEINS

Hope this will help you.

Regards,

Shan

[Former Member]

Ignore the item structure in my pervious post.

the correct item strucure is:

MATNR

WERKS

STLAN

STALT

POSTP

IDNRK

MENGE_C

AUSCH

AVOAU

NETAU

FMENG

KZKUP

SCHGT

BEIKZ

LGORT

ITSOB

UPOSZ

EBORT

UPMNG_C

UPTXT

NFEAG

NFGRP

POSNR

SORTF

DSPST

SANKA

DATUV_ITEM

DATUB_ITEM

MEINS

[Former Member]

Thanks for the info Shanmugavel,

Your answer pop'ed another question. You have mentioned that some of the header level fields should be in common in the item level data. But when you look at BICSP " Batch Input Structure for BOM Item Data" you don't find these fields, will source and target structure mapping be an issue during data upload.

Is there any special instructions that I need to follow during "Maintain Field Mapping and Conversion Rules" step of data upload.

Please let me know.

[Former Member]

but remember one thing if is there any zfields in transaction there is no use of direct input u have to use recording method

[Former Member]

Hi Shanmugavel,

Your answer helped me to create BOM. I can see an issue witht the newly created BOM items. All of the BOM components has "Assembly Indicator" Checked on eventhough there are no BOM items existing. In reality this indicator should be checked only when there is a BOM.

Do you have any idea how can this be worked around? Do I have to make any changes in load file or in "Maintain Field Mapping and Conversion Rules" step.

Please let me know.

Thanks once again.

[Former Member]

Hi ,

Assembly level indicator is populated by the system. We cannot map them.

For example:

For Bom material AA

U have line item as XX.

If XX has some BOM allready then Assembly level indicator will be automatically checked in the transaction.

To confirm this you can double click on Assembly level indicator where its checked

it will take you the BOM of material XX.

Hope this will help you.

Regards,

Shanmugavel.c

[Former Member]

Shanmugavel,

My issue is that LSMW has populated assembly level indicator for all components with or without line items.

Any thoughts..!

Kole