How To Fix MD_SUBSTN012 - Object cannot be blank

SAP Error Message - Details

• Message type: E = Error

• Message class: MD_SUBSTN - Messages for Master Data Substitution

• Message number: 012

• Message text: Object cannot be blank

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 MD_SUBSTN012 - Object cannot be blank ?

  The SAP error message MD_SUBSTN012: "Object cannot be blank" typically occurs in the context of Material Management or Production Planning modules when a required field is left empty during a transaction or process. This error is often related to the substitution of materials or components in a bill of materials (BOM) or production order.
  Cause:
  
  Missing Input: The error usually arises when a mandatory field, such as a material number, plant, or other key identifiers, is not filled in.
  Configuration Issues: There may be issues with the configuration of the material master or BOM that require certain fields to be populated.
  User Input Error: The user may have inadvertently skipped a required field while entering data.
  
  Solution:
  
  Check Required Fields: Review the transaction or screen where the error occurred and ensure that all mandatory fields are filled in. Look for any fields marked with an asterisk (*) or highlighted in red.
  Review Material Master Data: Ensure that the material master data is complete and correctly configured. Check if the material in question has all necessary details filled out.
  Validate BOM/Production Order: If the error occurs during BOM or production order processing, ensure that all components and substitutions are correctly defined and that no required fields are left blank.
  Consult Documentation: Refer to SAP documentation or help files for the specific transaction you are using to understand which fields are required.
  User Training: If this is a recurring issue, consider providing additional training to users on the importance of filling in all required fields.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to material management, such as CS01 (Create BOM), CS02 (Change BOM), or MD61 (Create Planned Independent Requirements).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, specific versions of SAP may have bugs that are documented in SAP Notes.
  Debugging: If you have access to debugging tools, you can analyze the program flow to identify where the error is triggered and what specific field is causing the issue.
  
  If the problem persists after checking these areas, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth assistance.