/INCMD/MSG285 - Relations &1 and &2 can be identical only if activities are different

SAP Error Message - Details

• Message type: E = Error

• Message class: /INCMD/MSG -

• Message number: 285

• Message text: Relations &1 and &2 can be identical only if activities are different

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

AnswerBot

• What is the cause and solution for SAP error message /INCMD/MSG285 - Relations &1 and &2 can be identical only if activities are different ?

  The SAP error message /INCMD/MSG285 indicates that there is an issue with the relationships defined between two activities in a project or process. Specifically, the message states that the two relations (or activities) can only be identical if the activities themselves are different. This typically occurs in the context of project management or process planning within SAP.
  Cause:
  
  Identical Relationships: The error arises when you attempt to create or modify relationships between two activities that are identical (i.e., they refer to the same activity) without having different activities involved.
  Incorrect Configuration: It may also occur due to incorrect configuration or data entry where the same activity is mistakenly linked to itself or to another identical activity.
  Data Integrity Issues: There may be underlying data integrity issues in the project structure or activity definitions.
  
  Solution:
  
  Check Activity Definitions: Review the activities involved in the relationship. Ensure that they are distinct and not identical. If they are the same, you need to modify one of the activities to make them different.
  Modify Relationships: If you find that the relationships are incorrectly defined, you can delete the existing relationship and create a new one that correctly reflects the intended dependencies between different activities.
  Review Project Structure: Ensure that the overall project structure is correctly defined and that there are no duplicate activities or relationships that could lead to this error.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly define relationships between activities in your specific module (e.g., Project System, Production Planning).
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like CJ20N (Project Builder) or CJI3 (Project Actual Line Items) to review and modify project activities and their relationships.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context or fixes.
  User Permissions: Ensure that you have the necessary permissions to modify project structures and relationships, as restrictions may lead to errors when attempting to make changes.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration of your SAP environment.