How To Fix UCUS0026 - Task &1: Invalid validation type in validation method &2

SAP Error Message - Details

• Message type: E = Error

• Message class: UCUS0 - Messages for Tasks, ...

• Message number: 026

• Message text: Task &1: Invalid validation type in validation method &2

What causes this issue?

When assigning validation methods to validation tasks, you can only use
validation methods with validation type <ZK>data rows netted</>.
You assigned validation method &V2& to validation task &V1&; however,
this method has a different validation type.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the method assignments for task &V1&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCUS0026 - Task &1: Invalid validation type in validation method &2 ?

  The SAP error message UCUS0026 indicates that there is an issue with the validation type specified in a validation method. This error typically arises in the context of SAP's validation framework, which is used to ensure data integrity and correctness in various business processes.
  Cause:
  The error message "UCUS0026 Task &1: Invalid validation type in validation method &2" is triggered when:
  
  An invalid or unsupported validation type is specified in the validation method.
  The validation method is not properly configured or does not exist.
  There may be a mismatch between the expected validation types and what is defined in the system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Validation Method Configuration:
  
  Go to the transaction code where the validation method is defined (e.g., transaction code OB28 for validation).
  Verify that the validation method is correctly configured and that the validation type specified is valid.
  
  
  
  Review Validation Types:
  
  Ensure that the validation type you are using is supported by the system. You can refer to the SAP documentation or the configuration settings to see the list of valid validation types.
  
  
  
  Correct the Validation Type:
  
  If you find that the validation type is incorrect, update it to a valid type in the validation method configuration.
  
  
  
  Check for Custom Code:
  
  If there is any custom code or enhancements related to the validation method, review it to ensure that it is not causing the issue.
  
  
  
  Test the Validation:
  
  After making the necessary changes, test the validation method to ensure that it works as expected without triggering the error.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OB28 (for validation) and others that may be related to your specific business process.
  SAP Documentation: Review the official SAP documentation for validation methods and types to understand the expected configurations.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the UCUS0026 error in your SAP system.