How To Fix LRM210 - Available time reference &1 cannot be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: LRM - Customizing

• Message number: 210

• Message text: Available time reference &1 cannot be changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LRM210 - Available time reference &1 cannot be changed ?

  The SAP error message LRM210, which states "Available time reference &1 cannot be changed," typically occurs in the context of managing time-related data in SAP, particularly in the Logistics and Resource Management (LRM) module. This error indicates that there is an attempt to modify an available time reference that is not allowed due to certain constraints or conditions.
  Cause:
  
  Locked Data: The available time reference may be locked or in use by another process or transaction, preventing changes.
  System Configuration: The system may be configured in such a way that certain time references are not allowed to be modified after they have been created.
  Data Integrity Rules: There may be data integrity rules in place that prevent changes to certain time references once they are established.
  Authorization Issues: The user may not have the necessary permissions to make changes to the available time reference.
  
  Solution:
  
  Check Locks: Verify if the time reference is currently being used or locked by another transaction. You can use transaction codes like SM12 to check for locks.
  Review Configuration: Check the configuration settings in the system to see if there are restrictions on changing available time references. This may involve consulting with your SAP Basis or configuration team.
  Data Integrity: Ensure that the changes you are trying to make do not violate any data integrity rules. If necessary, consult the documentation or your SAP support team for guidance.
  User Authorization: Confirm that you have the appropriate authorizations to make changes to the available time reference. If not, contact your system administrator to request the necessary permissions.
  Consult Documentation: Review SAP documentation or notes related to the LRM module for any specific guidelines or known issues regarding available time references.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LRM-related transactions, SM12 (to check locks), and SU53 (to check authorization issues).
  SAP Notes: Search for SAP Notes related to LRM210 for any patches or updates that may address this issue.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.