How To Fix /PLMB/BA_NAV055 - Expansion restricted at &1 level

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMB/BA_NAV -

• Message number: 055

• Message text: Expansion restricted at &1 level

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMB/BA_NAV055 - Expansion restricted at &1 level ?

  The SAP error message /PLMB/BA_NAV055 Expansion restricted at &1 level typically occurs in the context of SAP PLM (Product Lifecycle Management) when there is an issue with the navigation or expansion of a structure, such as a bill of materials (BOM) or a project structure. The error indicates that the expansion of the hierarchy is restricted at a certain level, which is represented by &1.
  Cause:
  
  Hierarchy Restrictions: The structure you are trying to expand may have restrictions set on it, preventing further expansion beyond a certain level. This could be due to configuration settings in the system.
  Authorization Issues: The user may not have the necessary authorizations to view or expand certain levels of the hierarchy.
  Data Integrity Issues: There may be inconsistencies or issues with the data in the database that prevent the system from expanding the structure correctly.
  System Configuration: Certain settings in the PLM module or related components may limit the expansion of structures.
  
  Solution:
  
  Check Configuration Settings: Review the configuration settings for the PLM module to ensure that there are no restrictions set on the levels of expansion for the specific structure you are working with.
  Review Authorizations: Ensure that the user has the necessary authorizations to access and expand the structure. This may involve checking roles and permissions in the SAP system.
  Data Validation: Perform a data validation check to ensure that there are no inconsistencies or issues with the data that could be causing the error. This may involve checking the integrity of the BOM or project structure.
  Consult Documentation: Refer to SAP documentation or notes related to the specific error message for additional insights or patches that may address the issue.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide specific guidance based on the version of SAP you are using and the context of the error.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP PLM that may help in navigating or managing BOMs and structures (e.g., CS01, CS02 for BOM creation and modification).
  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 error and implement a solution to resolve it.