How To Fix CNV_OM_PRESEL127 - The preselection scheduler was started at &1 &2.

CNV_OM_PRESEL127 - Overview

• Message type: E = Error

• Message class: CNV_OM_PRESEL - Messages for LT Object Based Preselection

• Message number: 127

• Message text: The preselection scheduler was started at &1 &2.

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

CNV_OM_PRESEL127 - Details

• The SAP error message CNV_OM_PRESEL127 typically relates to issues encountered during the preselection process in the context of data migration or conversion activities, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  
  Cause:
  The error message CNV_OM_PRESEL127 indicates that the preselection scheduler was started at a specific time (denoted by &1 &2), but it may not have completed successfully. This can occur due to several reasons, including:
  
  Resource Limitations: Insufficient system resources (CPU, memory, etc.) can lead to the scheduler not being able to complete its tasks.
  
  Configuration Issues: Incorrect configuration settings in the migration cockpit or related tools may prevent the scheduler from functioning properly.
  Data Volume: Large volumes of data being processed can lead to timeouts or performance issues.
  Locking Issues: Database locks or contention can prevent the scheduler from accessing the necessary data.
  Background Job Failures: If the preselection scheduler is running as a background job, it may fail due to errors