C2145 - Subnetwork for component &1 &2 cannot be created

SAP Error Message - Details

• Message type: E = Error

• Message class: C2 - Other messages production orders

• Message number: 145

• Message text: Subnetwork for component &1 &2 cannot be created

What causes this issue?

No subtree can be created for &V1& &V2&. This can have the following
causes:
the collective order was not completely imported for processing
the component was deleted
a subtree already exists for the component
a goods issue has already been carried out for the component
the component has no requirements quantity
the component is a split batch record
the material status of the component does not permit in-house
production
the component is
a by-product
a co-product
externally procured
a variable-sized item
a text item
a part to be discontinued
a bulk material
an intra material
a pipeline material

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?

You should check which of the above causes applies in your case. If
necessary, adjust your entries.

Error message extract from SAP system. Copyright SAP SE.

AnswerBot

• What is the cause and solution for SAP error message C2145 - Subnetwork for component &1 &2 cannot be created ?

  The SAP error message C2145 indicates that there is an issue with creating a subnetwork for a specific component in the system. This error typically arises in the context of network planning or configuration, particularly in the areas of SAP's Advanced Planning and Optimization (APO) or similar modules.
  Cause:
  The error message C2145 can be triggered by several factors, including:
  
  Missing Master Data: The required master data for the component (like materials, resources, or locations) may not be properly defined or may be missing.
  Incorrect Configuration: There may be incorrect settings in the configuration of the network or the component itself.
  Hierarchy Issues: The component may not be correctly assigned to a hierarchy or may be part of a hierarchy that is not properly defined.
  Authorization Issues: The user may not have the necessary authorizations to create or modify the subnetwork.
  Technical Issues: There could be underlying technical issues, such as database inconsistencies or system errors.
  
  Solution:
  To resolve the C2145 error, you can take the following steps:
  
  Check Master Data: Ensure that all necessary master data for the component is correctly defined and available in the system. This includes checking materials, resources, and locations.
  Review Configuration: Verify the configuration settings for the network and the component. Ensure that all required fields are filled out correctly.
  Hierarchy Verification: Check the hierarchy assignments for the component. Make sure that it is correctly assigned to the appropriate hierarchy and that the hierarchy is properly defined.
  Authorization Check: Ensure that the user has the necessary authorizations to create or modify the subnetwork. You may need to consult with your SAP security team to verify this.
  System Logs: Check the system logs for any additional error messages or warnings that may provide more context about the issue.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module you are working with for any known issues or additional troubleshooting steps.
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as CNO1 (Create Network) or CNO2 (Change Network).
  SAP Notes: Search for SAP Notes related to error C2145 in the SAP Support Portal, as there may be specific patches or updates that address this issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the C2145 error and implement a suitable solution.