How To Fix REMPT311 - Problems occurred when scheduling plnd ord. for mat. &1, version &2

SAP Error Message - Details

• Message type: E = Error

• Message class: REMPT - Message Class for REM Planning Table (Rel. 99)

• Message number: 311

• Message text: Problems occurred when scheduling plnd ord. for mat. &1, version &2

What causes this issue?

Problems occurred when scheduling the planned order.
This may be due to one of the following reasons, for example:
The scheduling level (detailed or rate-based planning) you used to
access the planning table and the one used for scheduling are not the
same.
No suitable routing could be found.

How to fix this error?

One possibility of finding out what is causing the problem is:
To access the planned order from the detailed dialog box in the table
via "Change" and reschedule the planned order. Check the scheduling log
by choosing "Goto --> Scheduling log". More information is displayed in
the log's warning or error messages.
You define the scheduling levels for the various types of planned
orders in Customizing.
<DS:TRAN.OPU5>Proceed with function</>
You must enter the routings in the production version in the material
master record (MRP 4 screen) according to the scheduling level settings
in Customizing (determine scheduling and capacity requirements via
detailed or rate-based planning).
<DS:TRAN.MM02>Proceed with function</>
If you have made any changes, you have to restart the planning table to
activate the changes.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message REMPT311 - Problems occurred when scheduling plnd ord. for mat. &1, version &2 ?

  The SAP error message REMPT311 indicates that there are issues with scheduling planned orders for a specific material and version. This error typically arises in the context of production planning and can be caused by various factors. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  
  Material Master Data Issues: The material may not be set up correctly in the material master. This includes missing or incorrect data in the MRP (Material Requirements Planning) views.
  
  
  Versioning Problems: The version specified may not be valid or may not exist for the material in question.
  
  
  Capacity Constraints: There may be capacity issues in the production resources (work centers) that prevent the planned order from being scheduled.
  
  
  MRP Settings: Incorrect MRP settings or parameters may lead to scheduling issues.
  
  
  Dependencies and Constraints: There may be dependencies or constraints in the production process that are not being met.
  
  
  Stock Levels: Insufficient stock levels or availability of components required for the planned order.
  
  
  Solutions:
  
  
  Check Material Master Data: Verify that the material master data is complete and accurate. Ensure that the MRP views are properly maintained.
  
  
  Validate Version: Confirm that the version specified in the error message is valid and exists for the material. You can check this in the material master.
  
  
  Review Capacity Planning: Check the capacity of the work centers involved in the production process. Ensure that there are no overloads or scheduling conflicts.
  
  
  Adjust MRP Parameters: Review and adjust MRP parameters if necessary. This may include lead times, lot sizes, and other relevant settings.
  
  
  Analyze Dependencies: Look for any dependencies or constraints that may be affecting the scheduling of the planned order. This could involve checking for required components or other production orders.
  
  
  Check Stock Levels: Ensure that there is sufficient stock of all components required for the planned order. If necessary, adjust the planned order or procure additional materials.
  
  
  Related Information:
  
  
  Transaction Codes: You can use transaction codes like MD04 (Stock/Requirements List) to analyze stock levels and requirements, or CO01 (Create Production Order) to check the production order details.
  
  
  MRP Reports: Utilize MRP reports to get insights into the planning situation and identify any issues that may be causing the scheduling problem.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  
  
  Consult Documentation: Refer to SAP documentation or help files for more detailed information on MRP and production planning processes.
  
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in production planning.