C2256 - Planned order &1 cannot be converted - order network incomplete

SAP Error Message - Details

• Message type: E = Error

• Message class: C2 - Other messages production orders

• Message number: 256

• Message text: Planned order &1 cannot be converted - order network incomplete

What causes this issue?

The planned order cannot be converted as the corresponding collective
order is not complete. The requirement of planned order &V1& that is
causing this is the dependent requirement or reservation &V2&. When
reading this requirement, however, no corresponding dependent
requirement or reservation could be found.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Start a multi-level MRP for the header material of the leading order in
the collective order.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

AnswerBot

• What is the cause and solution for SAP error message C2256 - Planned order &1 cannot be converted - order network incomplete ?

  The SAP error message C2256, which states "Planned order &1 cannot be converted - order network incomplete," typically occurs during the conversion of a planned order to a production order. This error indicates that there is an issue with the order network, which is essential for the conversion process.
  Cause:
  
  Incomplete Order Network: The planned order may reference components or operations that are not fully defined or are missing in the order network.
  Missing Components: Some components required for the planned order might not be available or defined in the bill of materials (BOM).
  Routing Issues: The routing for the planned order may be incomplete or missing, which is necessary for the production process.
  Status Issues: The planned order might be in a status that does not allow conversion, such as being marked for deletion or being in a locked state.
  Capacity Constraints: If there are capacity constraints in the production resources, it may prevent the planned order from being converted.
  
  Solution:
  
  Check Order Network: Review the planned order and ensure that all components and operations are correctly defined in the order network.
  Verify BOM and Routing: Ensure that the BOM and routing for the material are complete and correctly maintained. Check for any missing components or operations.
  Check Status: Verify the status of the planned order. If it is marked for deletion or locked, you may need to change its status before conversion.
  Review Capacity Planning: Check if there are any capacity constraints that might be affecting the conversion. Adjust the capacity or reschedule the planned order if necessary.
  Use Transaction Codes: Utilize transaction codes like MD04 (Stock/Requirements List) or CO01 (Create Production Order) to analyze the planned order and its components.
  Consult Documentation: Refer to SAP documentation or help files for specific details related to the error message and its resolution.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04 (Stock/Requirements List), CO01 (Create Production Order), and CO02 (Change Production Order) for managing planned orders and production orders.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to convert planned orders to production orders.
  System Configuration: Review the configuration settings in the SAP system related to production planning and order management.
  
  By following these steps, you should be able to identify the root cause of the error and take appropriate actions to resolve it.