How To Fix IO407 - Character string &1 is not a special successor of &2

SAP Error Message - Details

• Message type: E = Error

• Message class: IO - Plant Maintenance: Object List

• Message number: 407

• Message text: Character string &1 is not a special successor of &2

What causes this issue?

Program error

System Response

The system does not allow further processing.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IO407 - Character string &1 is not a special successor of &2 ?

  The SAP error message IO407 indicates that there is an issue with the character string being used in a certain context, specifically that it is not a "special successor" of another character string. This error typically arises in the context of SAP Integrated Business Planning (IBP) or other SAP applications that involve master data or planning data.
  Cause:
  The error message IO407 usually occurs due to one of the following reasons:
  
  
  Data Hierarchy Issues: The character string (often a key or identifier) you are trying to use is not correctly defined in the hierarchy of the data model. For example, if you are trying to assign a child node that is not a valid successor of the parent node in a hierarchy.
  
  
  Incorrect Configuration: There may be a configuration issue in the master data setup, where the relationships between different data elements are not properly defined.
  
  
  Data Integrity Issues: The data being processed may have integrity issues, such as missing or incorrect relationships between entities.
  
  
  Solution:
  To resolve the IO407 error, you can take the following steps:
  
  
  Check Data Hierarchy: Verify the hierarchy of the data you are working with. Ensure that the character string you are trying to use is indeed a valid successor of the specified parent string. You may need to review the master data or planning data setup.
  
  
  Review Configuration: Go through the configuration settings related to the data model. Ensure that all relationships and dependencies are correctly defined.
  
  
  Data Validation: Perform data validation checks to ensure that there are no missing or incorrect entries in the master data. You may need to run consistency checks or data validation reports.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the data model you are working with. This can provide insights into the expected relationships and configurations.
  
  
  Seek Support: If the issue persists, consider reaching out to your SAP support team or consulting with SAP experts who can provide more tailored assistance based on your specific system configuration and data setup.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to master data management, such as MDM, MD04, or others relevant to your specific SAP module.
  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 IO407 error and implement a suitable solution.