How To Fix CNV_PE726 - Mass insert into table &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 726

• Message text: Mass insert into table &1 failed

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE726 - Mass insert into table &1 failed ?

  The SAP error message "CNV_PE726 Mass insert into table &1 failed" typically occurs during data migration or data transfer processes, particularly when using the SAP Data Migration tools or during the execution of a mass data upload. This error indicates that the system encountered an issue while trying to insert data into a specific database table (denoted by &1).
  Causes:
  
  Data Integrity Issues: The data being inserted may violate constraints such as primary keys, foreign keys, or unique constraints.
  Data Type Mismatch: The data types of the fields in the source data may not match the expected data types in the target table.
  Database Locking: The target table may be locked by another process, preventing the mass insert from completing.
  Insufficient Authorizations: The user executing the mass insert may not have the necessary authorizations to perform the operation.
  Exceeding Database Limits: The volume of data being inserted may exceed the limits set by the database (e.g., row limits, transaction size).
  System Resource Limitations: Insufficient memory or other system resources may lead to failures during large data operations.
  
  Solutions:
  
  Check Data Integrity: Review the data being inserted for any integrity issues. Ensure that all required fields are populated and that there are no duplicates or violations of constraints.
  Validate Data Types: Ensure that the data types in the source data match those in the target table. Convert or format the data as necessary.
  Check for Locks: Use transaction codes like SM12 to check for locks on the target table. If locks are found, determine the cause and resolve it.
  Review Authorizations: Ensure that the user executing the mass insert has the necessary authorizations to perform the operation on the target table.
  Batch Processing: If the volume of data is too large, consider breaking the data into smaller batches and inserting them sequentially.
  Monitor System Resources: Check system resources (memory, CPU, etc.) to ensure that the system can handle the operation. If necessary, optimize the system or schedule the operation during off-peak hours.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and SM37 (Job Monitoring) to analyze the issue further.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs and Traces: Review application logs (SLG1) and short dumps (ST22) for more detailed error messages that can provide insights into the root cause of the failure.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or technical team for further investigation and support.