How To Fix CH020 - Item numbers must be used with sub-process code "SP"

SAP Error Message - Details

• Message type: E = Error

• Message class: CH - CAD/PP integration messages

• Message number: 020

• Message text: Item numbers must be used with sub-process code "SP"

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CH020 - Item numbers must be used with sub-process code "SP" ?

  The SAP error message CH020 indicates that item numbers must be used with the sub-process code "SP" (which typically stands for "Sub-Process"). This error usually occurs in the context of handling materials or inventory management within SAP, particularly when dealing with batch management or specific item types that require a certain process code.
  Cause:
  
  Incorrect Sub-Process Code: The error arises when an item number is being processed with a sub-process code that does not support it. The system expects the sub-process code to be "SP" for the item numbers being used.
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the requirements for the specific item numbers or processes being executed.
  Data Entry Errors: Users may have entered an incorrect sub-process code or item number that does not match the expected criteria.
  
  Solution:
  
  Check Sub-Process Code: Ensure that the sub-process code being used is "SP". If it is not, change it to the correct code.
  Review Item Numbers: Verify that the item numbers being processed are compatible with the sub-process code "SP". If they are not, you may need to use different item numbers or adjust the process.
  Configuration Review: If the issue persists, review the configuration settings in the SAP system related to the specific module (e.g., Materials Management, Production Planning) to ensure they are set up correctly for the items and processes you are working with.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on the use of item numbers and sub-process codes in your context.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as MM01 (Create Material), MM02 (Change Material), or MB1A (Goods Withdrawal).
  Batch Management: If your organization uses batch management, ensure that the batch settings are correctly configured for the items in question.
  User Training: Ensure that users are trained on the correct processes and codes to minimize data entry errors that could lead to this message.
  
  By following these steps, you should be able to identify the cause of the CH020 error and implement the necessary solutions to resolve it.