SAP Transaction OMMP: A Step-by-Step Guide for SAP Users

Welcome to our tutorial on SAP transaction OMMP, a powerful transaction code used in SAP Materials Management (MM) module for material forecast management. In this tutorial, we will provide you with a detailed guide on how to effectively use OMMP to manage material forecasts in your SAP system. Whether you are a beginner SAP user or an experienced consultant looking to expand your knowledge, this tutorial will equip you with the necessary skills to navigate through OMMP with ease.

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Now, let’s begin our tutorial on using SAP transaction OMMP.

What is SAP Transaction OMMP?

SAP Transaction OMMP (Material Forecast) is a vital transaction code used in SAP MM to manage material forecasts. It allows users to create, change, and display material forecast data, which helps in planning and optimizing the procurement of materials. With OMMP, you can effectively forecast material requirements, ensuring seamless supply chain management and inventory control.

Step 1: Accessing SAP Transaction OMMP

To start using OMMP, follow these steps:

1. Log in to your SAP system using your user ID and password.
2. Launch the SAP Easy Access Menu.
3. Navigate to the “Logistics” folder and expand it.
4. Locate and click on the “Materials Management” folder.
5. From the sub-menu, select “Material Requirements Planning”.
6. Next, choose “Material Forecast” and click on “Material Forecast” again to proceed to the OMMP transaction.

Step 2: Understanding OMMP Transaction Screen

Once you have accessed OMMP, you will encounter the OMMP transaction screen, which consists of various fields and tabs. Let’s explore each of them:

• Header Data: This section contains the main fields for entering general information about the material forecast, such as forecast period, forecast type, and forecast horizon.
• Forecast Values: Here, you can view and manage the forecasted quantities and dates for the material. This tab allows you to enter or update the forecast data based on your requirements.
• Forecast Profiles: This tab provides access to predefined forecast profiles, which are templates for creating consistent forecasts for different materials.
• Version Management: The version management tab allows you to maintain multiple versions of the material forecast. This feature enables you to compare different scenarios and track changes over time.
• Custom Fields: In this tab, you can find any additional custom fields specific to your organization’s requirements.
• Status: The status tab shows the current status of the material forecast, indicating whether it is saved or released.

Step 3: Creating a Material Forecast with OMMP

Creating a material forecast is a common operation performed using OMMP. It involves predicting the future demand for a material. Here’s how you can create a material forecast using OMMP:

1. Start by filling in the necessary fields in the “Header Data” section:

   • Forecast Period: Select the desired forecast period, such as monthly, quarterly, or yearly.
   • Forecast Type: Choose the appropriate forecast type based on your requirements, such as historical or statistical forecast.
   • Forecast Horizon: Specify the time duration for which the forecast is generated, such as 12 months or 24 months.

2. Move to the “Forecast Values” tab and enter the forecasted quantities and dates for the material. You can manually enter the values or use the copy function to copy values from a previous forecast.
3. Once you have entered all the necessary information, click on the “Save” button to save the material forecast.

Congratulations! You have successfully created a material forecast using SAP transaction OMMP.

Step 4: Exploring Additional Functionality

SAP transaction OMMP offers various additional functionalities to enhance your material forecast management processes. Here are some notable features you can leverage:

• Change Material Forecast: OMMP allows you to modify existing material forecasts. You can update forecast values, change forecast periods, or make other relevant modifications as per your requirements.
• Display Material Forecast: Use OMMP to display existing material forecasts by entering the material number and other relevant criteria. This allows you to review and analyze past forecasts, aiding in decision-making and demand planning.
• Release Material Forecast: Once you are satisfied with a material forecast, you can release it to make it available for further procurement and planning processes. OMMP provides a convenient option to release forecasts, ensuring seamless integration with other SAP modules.
• Forecast Consumption: OMMP allows you to consume the forecasted quantities and automatically convert them into planned orders or purchase requisitions. This feature streamlines the procurement process, ensuring timely availability of materials.

Conclusion

In this tutorial, we have provided you with a comprehensive guide on using SAP transaction OMMP in the SAP MM module. We covered the basics of OMMP, explained how to create material forecasts, and explored additional functionalities. Remember, practice and continuous learning are key to becoming proficient in SAP MM.

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