How To Fix /SMB/BB_INSTALLER021 - Sequence can only be changed on activity level

SAP Error Message - Details

• Message type: E = Error

• Message class: /SMB/BB_INSTALLER -

• Message number: 021

• Message text: Sequence can only be changed on activity 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SMB/BB_INSTALLER021 - Sequence can only be changed on activity level ?

  The SAP error message /SMB/BB_INSTALLER021 Sequence can only be changed on activity level typically occurs in the context of SAP Business ByDesign or related SAP solutions when there is an attempt to change the sequence of a process or activity in a way that is not allowed by the system's configuration.
  Cause:
  
  Incorrect Level of Change: The error indicates that the sequence of activities is being modified at a higher level (e.g., project or task level) instead of at the activity level where such changes are permitted.
  System Restrictions: The system may have restrictions in place that prevent changes to the sequence of activities unless they are done in a specific manner or at a specific level.
  Configuration Issues: There may be configuration settings that dictate how sequences can be managed, and these settings may not allow for changes at the level you are attempting.
  
  Solution:
  
  Change at Activity Level: Ensure that you are attempting to change the sequence of activities directly at the activity level. Navigate to the specific activity you want to modify and make the changes there.
  Review Documentation: Check the SAP documentation or help resources for guidance on how to properly manage activity sequences. This may provide insights into the correct procedures and any limitations.
  Consult with SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP administrator for assistance. They may have additional insights or solutions based on your specific configuration and version of SAP.
  Check User Permissions: Ensure that you have the necessary permissions to make changes to the activity sequences. Sometimes, user roles and permissions can restrict certain actions.
  
  Related Information:
  
  SAP Notes and Knowledge Base Articles: Search for relevant SAP Notes or Knowledge Base Articles that may address this specific error message or provide additional context.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  Training and Documentation: If you are frequently working with activity sequences, consider additional training or reviewing documentation related to project management within SAP to better understand the system's capabilities and limitations.
  
  By following these steps, you should be able to address the error and make the necessary changes to the activity sequences in your SAP environment.