How To Fix EL102 - Devices were not reassigned; select nodes of meter reading unit &1

SAP Error Message - Details

• Message type: E = Error

• Message class: EL - IS-U meter reading data processing

• Message number: 102

• Message text: Devices were not reassigned; select nodes of meter reading unit &1

What causes this issue?

You have attempted to reallocate devices to a node that is not
allocated to the street route of the main meter reading unit.

System Response

Reallocation is not permitted.

How to fix this error?

Reallocate the devices to a node that is allocated to the street route
of the main meter reading unit.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EL102 - Devices were not reassigned; select nodes of meter reading unit &1 ?

  The SAP error message EL102, which states "Devices were not reassigned; select nodes of meter reading unit &1," typically occurs in the context of meter reading and device management within the SAP IS-U (Industry Solution for Utilities) module. This error indicates that there is an issue with the reassignment of devices (like meters) to a meter reading unit (MRU).
  Cause:
  
  Incorrect Selection of Nodes: The error often arises when the nodes (devices) that need to be reassigned to the specified meter reading unit are not properly selected or are missing.
  Configuration Issues: There may be configuration issues in the meter reading unit or the devices themselves that prevent the reassignment.
  Authorization Issues: The user may not have the necessary authorizations to perform the reassignment.
  Data Integrity Issues: There could be inconsistencies in the master data related to the devices or the meter reading unit.
  
  Solution:
  
  Check Node Selection: Ensure that the correct nodes (devices) are selected for reassignment. You may need to go back to the selection screen and verify that the devices you want to reassign are indeed selected.
  Review Configuration: Check the configuration settings for the meter reading unit and the devices. Ensure that they are set up correctly and that there are no missing links.
  User Authorizations: Verify that the user has the necessary authorizations to perform the reassignment. If not, contact your system administrator to obtain the required permissions.
  Data Consistency: Perform a data consistency check to ensure that there are no discrepancies in the master data. This may involve checking the device master records and the meter reading unit settings.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error message and the context in which it occurs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as EL31 (for meter reading) and EL30 (for device management) to navigate the system effectively.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches that address known issues.
  Support Forums: Consider visiting SAP Community forums or other support platforms where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to engage with your SAP support team or a consultant who specializes in SAP IS-U for further assistance.