How To Fix STEP455 - &1 &2: No superior ALTERNATIVE_SOLUTION found

SAP Error Message - Details

• Message type: E = Error

• Message class: STEP - ISO 10303 STEP Mapping Messages

• Message number: 455

• Message text: &1 &2: No superior ALTERNATIVE_SOLUTION found

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message STEP455 - &1 &2: No superior ALTERNATIVE_SOLUTION found ?

  The SAP error message "STEP455 &1 &2: No superior ALTERNATIVE_SOLUTION found" typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or similar planning applications. This error indicates that the system is unable to find a superior alternative solution for a given planning scenario.
  Cause:
  
  Missing Data: The error may arise if the necessary data for generating an alternative solution is missing or incomplete. This could include master data, transaction data, or configuration settings.
  Configuration Issues: There may be issues with the configuration of the planning area or the planning book that prevent the system from identifying a superior alternative.
  Planning Version: The planning version being used may not have the required alternatives defined or may not be set up correctly.
  User Authorization: The user may not have the necessary authorizations to access the alternative solutions.
  
  Solution:
  
  Check Data Completeness: Ensure that all relevant master data (e.g., materials, resources, etc.) and transaction data are correctly maintained and available in the system.
  Review Configuration: Verify the configuration settings for the planning area and planning book. Ensure that the alternative solutions are properly defined and that the system is set up to recognize them.
  Validate Planning Version: Check the planning version being used and ensure that it includes the necessary alternative solutions. If not, consider creating or modifying the planning version.
  User Authorizations: Confirm that the user has the appropriate authorizations to access the alternative solutions. If necessary, consult with your SAP security team to adjust the user's roles and permissions.
  Consult Documentation: Refer to SAP documentation or notes related to the specific planning application you are using for any additional troubleshooting steps or known issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., /SAPAPO/SDP94 for planning books) that may help you navigate and troubleshoot the planning environment.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.