How To Fix CH028 - Enter a material number

SAP Error Message - Details

• Message type: E = Error

• Message class: CH - CAD/PP integration messages

• Message number: 028

• Message text: Enter a material number

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CH028 - Enter a material number ?

  The SAP error message CH028, which states "Enter a material number," typically occurs when a user attempts to perform an action that requires a material number, but the field is either empty or not filled in correctly. This error can arise in various transactions related to materials, such as inventory management, purchasing, or production planning.
  Cause:
  
  Empty Field: The most common cause is that the material number field is left blank when it is required.
  Incorrect Input: The user may have entered an invalid or non-existent material number.
  Field Configuration: The field may be configured as mandatory in the transaction, and the user has not provided the necessary input.
  Authorization Issues: In some cases, the user may not have the necessary authorizations to view or enter material numbers.
  
  Solution:
  
  Enter a Material Number: Ensure that you enter a valid material number in the required field. Check for typos or formatting issues.
  Use the Material Search: If you are unsure of the material number, use the search functionality (often available via a search help icon) to find the correct material.
  Check Field Settings: If you are a system administrator or have access, check the configuration of the transaction to ensure that the field is set up correctly.
  Review Authorizations: If you suspect authorization issues, check with your SAP security team to ensure you have the necessary permissions to access the material data.
  Consult Documentation: Refer to the SAP documentation or help files for the specific transaction you are using to understand the requirements for entering a material number.
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes such as MM01 (Create Material), MM02 (Change Material), or MIGO (Goods Movement).
  Material Master: Understanding the material master data structure in SAP can help in identifying the correct material number.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message CH028.
  User Training: Ensure that users are trained on how to properly enter material numbers and understand the importance of this data in SAP processes.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team for further assistance.