How To Fix /PLMI/AL_GSS_R2MR_SU021 - Synchronization unit &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMI/AL_GSS_R2MR_SU -

• Message number: 021

• Message text: Synchronization unit &1 does not exist

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 /PLMI/AL_GSS_R2MR_SU021 - Synchronization unit &1 does not exist ?

  The SAP error message /PLMI/AL_GSS_R2MR_SU021 Synchronization unit &1 does not exist typically occurs in the context of SAP's Logistics and Supply Chain Management modules, particularly when dealing with synchronization units in the context of Advanced Planning and Optimization (APO) or similar functionalities.
  Cause:
  
  
  Non-Existent Synchronization Unit: The error indicates that the synchronization unit specified (denoted by &1) does not exist in the system. This could be due to:
  
  The synchronization unit was deleted or never created.
  A typo or incorrect reference in the configuration or transaction.
  The synchronization unit is not activated or is in an inactive state.
  
  
  
  Data Consistency Issues: There may be inconsistencies in the data, such as missing entries in the relevant tables that manage synchronization units.
  
  
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the synchronization unit, leading to the perception that it does not exist.
  
  
  Solution:
  
  
  Verify Synchronization Unit:
  
  Check if the synchronization unit exists in the system. You can do this by navigating to the relevant transaction or table (e.g., /PLMI/AL_GSS_R2MR or similar) and searching for the synchronization unit.
  Ensure that the synchronization unit is correctly defined and activated.
  
  
  
  Correct Configuration:
  
  If you find that the synchronization unit does not exist, you may need to create it or correct the configuration that references it.
  Review the configuration settings in the relevant customizing transactions to ensure that all necessary synchronization units are defined.
  
  
  
  Check for Typos:
  
  Double-check the input for any typos or incorrect references that might lead to the system not finding the synchronization unit.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the synchronization unit. You may need to consult with your SAP security team to verify this.
  
  
  
  Data Consistency Check:
  
  Run consistency checks or reports to identify any data inconsistencies that may be causing the issue. This may involve checking related tables or using SAP standard tools for data consistency.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific module you are working with 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 the error message or related keywords in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in managing synchronization units, such as /PLMI/AL_GSS_R2MR or others specific to your configuration.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  If the problem persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.