How To Fix C$456 - &1: &2 could not be inserted

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 456

• Message text: &1: &2 could not be inserted

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 C$456 - &1: &2 could not be inserted ?

  The SAP error message C$456 typically indicates that there was an issue with inserting a record into a database table. The message format usually includes placeholders for specific details, such as the object type and the reason for the failure. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Data Integrity Issues: The data being inserted may violate integrity constraints, such as primary key or foreign key constraints.
  Missing Required Fields: Required fields in the database table may not be populated, leading to the failure of the insert operation.
  Locking Issues: The record may be locked by another transaction, preventing the insert from completing.
  Authorization Issues: The user may not have the necessary permissions to perform the insert operation.
  Database Constraints: There may be specific database constraints (like unique constraints) that are being violated by the data being inserted.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or issues with the SAP application server.
  
  Solutions:
  
  Check Data Validity: Review the data being inserted to ensure it meets all integrity constraints and that all required fields are populated.
  Review Lock Status: Use transaction codes like SM12 to check for locks on the table and resolve any conflicts.
  Check Authorizations: Ensure that the user performing the operation has the necessary authorizations to insert records into the table.
  Examine Error Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide additional context.
  Database Constraints: Review the database schema to understand any constraints that may be causing the insert to fail.
  Debugging: If you have access, consider debugging the program or transaction that is causing the error to identify the exact point of failure.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and SM21 (System Log) to investigate further.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Documentation: Review the documentation for the specific module or functionality you are working with, as it may provide insights into common issues and resolutions.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.