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