How To Fix KK602 - Internal error: data combination (call)

SAP Error Message - Details

• Message type: E = Error

• Message class: KK -

• Message number: 602

• Message text: Internal error: data combination (call)

What causes this issue?

Internal program error when calling
<DS:GLOS.3526B20FAFAB52B9E10000009B38F974>function module</> &v1&. The
error must be removed before you can continue processing.

How to fix this error?

Contact your system administrator.
If necessary, contact the SAP Hotline, giving details of the error
message.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KK602 - Internal error: data combination (call) ?

  The SAP error message KK602, which indicates an "Internal error: data combination (call)," typically arises in the context of controlling (CO) module transactions, particularly when dealing with cost center accounting, internal orders, or profitability analysis. This error suggests that there is an issue with the data combination being processed, which could be due to various reasons.
  Possible Causes:
  
  
  Data Inconsistency: There may be inconsistencies in the master data or transaction data that are being processed. This could include missing or incorrect entries in cost centers, internal orders, or other related master data.
  
  
  Configuration Issues: Incorrect configuration settings in the controlling module can lead to this error. This might involve settings related to cost elements, cost centers, or internal orders.
  
  
  Missing Authorizations: Sometimes, the user may not have the necessary authorizations to access certain data combinations, leading to this error.
  
  
  System Bugs: There could be a bug in the SAP system or a specific transaction that is causing the error. This is more likely if the error occurs after a recent update or patch.
  
  
  Data Volume: If the volume of data being processed is too large, it may lead to performance issues or internal errors.
  
  
  Solutions:
  
  
  Check Master Data: Verify that all relevant master data (cost centers, internal orders, etc.) is correctly maintained and that there are no missing or inconsistent entries.
  
  
  Review Configuration: Check the configuration settings in the controlling module to ensure they are set up correctly. This may involve reviewing cost element settings, allocation structures, and other related configurations.
  
  
  User Authorizations: Ensure that the user has the necessary authorizations to access the data being processed. This may involve checking roles and permissions in the SAP system.
  
  
  System Logs: Review the system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that address this specific error. There may be known issues and fixes available.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including transaction codes, data combinations being processed, and any relevant logs.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in the CO module, such as KSB1 (Cost Centers: Actual Line Items) or KOB1 (Orders: Actual Line Items), to analyze the data being processed.
  Debugging: If you have access to debugging tools, you may want to debug the transaction to identify where the error is occurring in the code.
  User Forums: Check SAP community forums or 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 identify the root cause of the KK602 error and implement a suitable solution.