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I am genuinely jubilant in presenting my first paper in SCN. As this is my first paper, humbly request you to correct me if you find any mistakes .
With the release of OP edition 1610, SAP has optimized the functionalities in an efficient manner.
Here by I would like to furnish the glimpse of innovations in ML functionality.

Material Ledger Activation

Material Ledger  activation is mandatory for Material Valuation in all S/4 HANA On-Premise releases and becomes now part of the standard- On premise release 1610. However activation of Actual Costing functionality is still optional.

Innovations in Material Ledger functionality with the release of 1610

a) Significant increase in Transaction data throughput for high volume transactions such as goods movements

We know the fact that for materials with price control Standard price, statistical moving average price gets calculated and this requires exclusive locking eventually limiting the data through put in the sap system. To get rid of this , deactivation of statistical moving average price is imperative.

It is important to note that the Deactivation of statistical moving average price is not reversible.

Then you might question, what about the materials with price control – V?
Answer is Transaction data throughput is still limited by exclusive locking.

The following database fields gets effected by the deactivation of Statistical MAP

Note: If Actual Costing is active, the aforesaid fields will still be updated with the periodic unit price during the Actual Costing Closing Steps.
Finally, the report SAPRCKM_NO_EXCLUSIVELY_LOCKING can be used to deactivate the statistical moving average price. This can be done for converted systems running the S/4HANA on-premise edition.
In the S/4HANA cloud edition or new installs of the SAP S/4HANA on-premise edition, the statistical moving average price is disabled by default.

For more info,refer to Oss note -2267835
b) ML Actual costing Data Conversion in S4HANA 1610 Release

After activation of Actual costing, Data conversion to S/4 HANA data structures could be done via program FCML4H_STARTUP or via transaction FCML4H_STARTUP.

For more info, refer to Oss notes -2403356
c) Currencies and ML type
It is not allowed to use a ML Type that references to currency settings defined in FI or CO (flags Currency Types from FI, Currency Types from CO). There is no default Material Ledger Type 0000 anymore. Instead you have to define explicitly the currency and valuation types that are relevant for Material Ledger.

Recommended order of customizing steps for assigning a ML type to valuation area

  1. Define Material Ledger type in transaction OMX2.

  2. Assign corresponding Material Ledger type to valuation area in OMX3.

  3. Activate Material Ledger for corresponding valuation area in OMX1.

For more info, refer to OSS note -2427356, 2426246
d) Simplified Data model

The following simplified data model has been introduced

For more info,refer to Oss notes - 2352383

Some of the former periodic tables are still required for the following purposes

  • The Material Ledger Closing Document is stored in the former ML document tables (ML*).

  • Standard Price. Periodic Unit Price and Price Control are still managed in table CKLMLCR.

  • Cost Component Split for Prices is still managed in tables CKMLPRKEKO and CKMLPRKEPH

Significant design changes to be noted

  •  Single- and multilevel differences are no longer distinguished. In table MLDOC all price/exchange rate differences are stored in fields PRD/KDM. In table MLDOCCCS the CCS for price/exchange rate differences are stored under the CCS types E/F (field MLCCT).

  • The CCS is stored in a table format using the cost component (field ELEMENT) as additional key. This allows increasing the number of cost components without modification.

  • The CCS for preliminary valuation is always stored.

e) Innovations in CKMLCP screen

Earlier, CKMLCP Screen is embedded with the individual processing steps. Now it has been optimized to four steps
1. Selection
2. Preparation
3. Settlement
4. Post Closing
Note: Individual processing steps such as Single level price determination, Multi level price determination, Revaluation of Consumption, Work in process revaluation has been concatenated into single step as Settlement.
The section “Costing Results” has been removed. It will be replaced by the report FCML4H_RUN_DISPLAY_MATERIALS that displays a material list with status and it will be called via the button “Results” in the section “Processing”.
Additionally to the status of the materials, the status of the activity types is displayed in the
section Processing. The button Activity Types for displaying the activity types value flow has
been removed.


f) Innovations in CKM3
The following buttons are added in CKM3:
1. Source Document: steers to the document that triggers the creation of material ledger document. The typical source document is MM document or price change document or incoming invoice;
2. Reference Document: navigates to the original business object as of Production Order, Process Order, Product Cost Collect, CO production Order or Purchase Order and so on.
3. Closing History: routes to show the closing history if the closing is cancelled at least once.
Apart from the above, the following are substantial changes done in CKM3 screen.

  •  No separate view for Cost Components, but integrated in main screen.

  •  Flag for selection of cost components not relevant for material valuation, or only cost
    components relevant for material valuation; by default selection of inventory relevant cost component split.

  • Display of WIP Reduction for material; by default WIP Reduction is hidden; If WIP reduction is displayed, both WIP reduction and consumption of WIP for order are shown in opposite sign in different folder.

  • Plan/Actual Comparison is removed in new CKM3

CKMLQS- Multilevel Quantity Structure screen is not available from the release 1610.

For more info ,refer Oss note - 2386597
h) Other innovations

  •  A new 2-dimensional distribution logic avoids rounding errors. The new CKM3 will match vertically and horizontally even on level of Cost Components.

  • Price Limiter Logic is accurate on level of Cost Component Split.

  • Change of standard price for materials and activities within the period is supported.

  • Materials and Activity Types are widely treated as equivalent objects. The cost allocation logic is essentially the same. The same reports (e.g. CKM3, CKMVFM) can be used for both of them (-> to be enabled yet!)

For more info, refer to Oss notes - 2354768

Best Regards,

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