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Former Member



Could any one send me step by step documentation on LSMW.

my mail id is

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3 Answers

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    Former Member
    Mar 12, 2008 at 04:53 AM


    LSMW is a collection of projects (SAP). Project is a collection of subprojects. Subproject is a collection of objects.


    1. Maintain object attributes: In this step we assign transaction code for the LSMW using a records object.

    2. Maintain source structures: In this step we need to define an internal table for getting data from flat files into SAP application.

    3. Maintain source files: In this step we need to add fields for the structure created in step2.

    4. Maintain structure relations: n this step SAP generates a relation between the created internal table (ITAB) and the recording object

    5. Maintain field mapping & Conversion Rules: In this step we need to generate the relationship between the internal table and recording object field.

    6. Maintain Field Values: This is optional step for LSMW. We can use the SAP generated default values.

    7. Specify Files: In this step we specify the file to be extracted for BDC processing using LSMW

    8. Assign Files: In this step SAP generates the relation between the Flat File assigned in Step7 and internal table defined in Step2.

    9. Import Data: In this step SAP Reads the data from assigned file into ITAB (internal table) internally SAP creates a file with extension as ………..

    10. Display Import Data: Data in ITAB will be displayed as Report in this step. Report data will be in yellow color as data is in between source and recording objects.

    11. Convert Data: In this step data will move from table to recording object. Internally SAP transfers the data from “LSMW.Read” file into “LSMW.Conv:. Data in this file is ready for populating data into BDC session object.

    12. Display Converted Data: Data in Recording object will be displayed as report in this step. Here Report should be in green color.

    13. Create Batch Input Session: Based on Recording object data SAP creates a session object and transfers the data into the session object.

    14. Run Batch Input Session: Opens “SM35” transaction Code to Process BDC session object.

    Hope it helps u... if helpful assign points


    Rajesh Banka

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  • Mar 12, 2008 at 04:56 AM

    Dear Manoja

    Check this link



    G. Lakshmipathi

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    • Former Member Former Member

      Hi Manoja,

      There could be several reasons.

      1) Try saving the excel file in text format preferrably on your computer C drive

      2) Secondly when you are on step 7 - Specify Files , make sure when you upload your text file, if you have clicked on Tabulator and also if you have used field names at start of the file, if you have you need to check that option.

      Let me know if it helps.



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    Former Member
    Mar 12, 2008 at 05:40 AM
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