How To Fix STEP470 - Relationship &1 can only be supported in an informal description

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 470

• Message text: Relationship &1 can only be supported in an informal description

What causes this issue?

The possible scope of functions in STEP is considerably less than the
capability of the SAP system.

System Response

Non translatable portions of the object dependencies are transferred as
a textual additional description.

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.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message STEP470 - Relationship &1 can only be supported in an informal description ?

  The SAP error message STEP470, which states "Relationship &1 can only be supported in an informal description," typically occurs in the context of SAP's Project System (PS) or similar modules where relationships between objects (like tasks, activities, or components) are defined.
  Cause:
  This error usually arises when there is an attempt to define a relationship between two objects in a way that is not supported by the system. Specifically, it indicates that the relationship type you are trying to use is not valid for the formal description of the project or task structure. This can happen due to:
  
  Invalid Relationship Type: The relationship type you are trying to use is not recognized as a valid formal relationship in the system.
  Configuration Issues: There may be configuration settings in the project or task structure that do not allow for the specified relationship.
  Data Integrity Issues: There may be inconsistencies or errors in the data that prevent the relationship from being established.
  
  Solution:
  To resolve the STEP470 error, you can take the following steps:
  
  
  Check Relationship Type: Verify that the relationship type you are trying to use is valid and supported in the context of your project. Refer to SAP documentation or configuration settings to ensure you are using the correct relationship type.
  
  
  Use Informal Descriptions: If the relationship you are trying to establish is indeed informal, consider using the informal description feature in SAP to define the relationship instead of trying to enforce it as a formal relationship.
  
  
  Review Configuration Settings: Check the configuration settings in the Project System (or relevant module) to ensure that the relationships are set up correctly. This may involve reviewing the project structure, task definitions, and relationship settings.
  
  
  Data Consistency Check: Perform a data consistency check to identify any issues with the project or task data that may be causing the error. This can include checking for missing or incorrect data entries.
  
  
  Consult Documentation: Refer to SAP Help documentation or community forums for specific guidance related to the error message and the context in which it occurs.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP support for further assistance. They can provide more detailed insights based on your specific system configuration and usage.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with transaction codes related to project management and relationship definitions, such as CJ20N (Project Builder) or CJ02 (Change Project).
  User 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 cause of the STEP470 error and implement a suitable solution.