How To Fix /UI2/CDMFCC306 - Exception '&1' raised by LREP when writing via the mass interface

SAP Error Message - Details

• Message type: E = Error

• Message class: /UI2/CDMFCC -

• Message number: 306

• Message text: Exception '&1' raised by LREP when writing via the mass interface

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 /UI2/CDMFCC306 - Exception '&1' raised by LREP when writing via the mass interface ?

  The SAP error message /UI2/CDMFCC306 Exception '&1' raised by LREP when writing via the mass interface typically indicates an issue related to the LREP (Landscape Repository) when trying to perform mass data operations in the SAP Fiori/UI2 environment. This error can occur due to various reasons, including data inconsistencies, authorization issues, or problems with the underlying transport layer.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or invalid entries.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to perform the mass write operation.
  Transport Layer Issues: Problems with the transport layer or configuration settings in the LREP can lead to this error.
  System Configuration: Incorrect configuration settings in the SAP system or the Fiori/UI2 environment may cause this error.
  Network Issues: Temporary network issues or connectivity problems can also lead to this error.
  
  Solutions:
  
  Check Data Validity: Review the data being processed for any inconsistencies or invalid entries. Ensure that all required fields are populated correctly.
  Review Authorizations: Verify that the user has the necessary authorizations to perform the operation. You may need to consult with your SAP security team to ensure proper roles and permissions are assigned.
  Check LREP Configuration: Review the configuration settings for the Landscape Repository. Ensure that all necessary components are correctly configured and that there are no issues with the transport layer.
  System Logs: Check the system logs (transaction SLG1) for more detailed error messages that can provide additional context about the issue.
  Retry the Operation: If the error is due to a temporary issue, retrying the operation after some time may resolve the problem.
  Contact SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with the error message and any relevant logs or details about the operation being performed.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SLG1 (Application Log) and SE80 (Object Navigator) for troubleshooting.
  SAP Notes: Search for SAP Notes related to the error message or the components involved. SAP Notes often provide specific fixes or workarounds for known issues.
  Documentation: Review the official SAP documentation for the Fiori/UI2 environment and LREP for best practices and configuration guidelines.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.