How To Fix CN770 - Errors occurred during processing (see error log)

SAP Error Message - Details

• Message type: E = Error

• Message class: CN - Meldungen für Netzpläne

• Message number: 770

• Message text: Errors occurred during processing (see error log)

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 CN770 - Errors occurred during processing (see error log) ?

  The SAP error message CN770, which states "Errors occurred during processing (see error log)," typically indicates that there were issues during the execution of a transaction or process in the SAP system, particularly in the area of Project System (PS) or Controlling (CO). This error is often generic and can arise from various underlying causes.
  Possible Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data being processed, such as missing or incorrect entries in the project or cost center master data.
  Authorization Issues: The user may not have the necessary authorizations to perform the action, leading to errors during processing.
  Configuration Errors: Incorrect configuration settings in the project system or controlling module can lead to processing errors.
  Missing Master Data: Required master data (like WBS elements, networks, or cost centers) may be missing or incorrectly set up.
  Technical Issues: There could be technical issues such as system performance problems, database locks, or other system-related errors.
  
  Solution Steps:
  
  
  Check the Error Log: The first step is to check the detailed error log for more specific information about what went wrong. You can usually find this in the transaction where the error occurred or by using transaction codes like SLG1 (Application Log) or ST22 (Dump Analysis).
  
  
  Review Data Entries: Verify that all required data entries are complete and correct. Check for missing or incorrect master data related to the project or cost center.
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to perform the action. You can check this in transaction SU53 (Authorization Check) after the error occurs.
  
  
  Configuration Review: Review the configuration settings in the Project System and Controlling modules to ensure they are set up correctly.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific transaction or process you are working with. SAP Notes can provide insights into known issues and their resolutions.
  
  
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or SAP directly for assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder), CJ01 (Create Work Breakdown Structure), and CJI3 (Actual Line Items).
  SAP Notes: Search for SAP Notes related to error CN770 in the SAP Support Portal for any known issues or patches.
  User Forums: Check SAP Community forums or other user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to diagnose and resolve the CN770 error in your SAP system.