How To Fix AY428 - Errors or warnings on distribution or detail screen due to validation

SAP Error Message - Details

• Message type: E = Error

• Message class: AY - Deprec. simulation - maint. module (AIPS) /gen. master data

• Message number: 428

• Message text: Errors or warnings on distribution or detail screen due to validation

What causes this issue?

Validations (user-defined checks) were entered in Customizing for the
maintenance of asset master data. The depreciation simulation data also
has to satisfy these validation checks. However, when the checks were
carried out, the system issued warnings or error messages. The cause
can be on the distribution screen as well as on the detail screen.

How to fix this error?

When you confirm this message by choosing 'Enter' you receive a
detailed error list. Check the data using this list and make the
necessary corrections.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AY428 - Errors or warnings on distribution or detail screen due to validation ?

  The SAP error message AY428 typically indicates that there are errors or warnings related to the distribution or detail screen due to validation issues. This error can occur in various SAP modules, particularly in the context of financial accounting or controlling, where data validation is crucial for ensuring the integrity of financial transactions.
  Cause:
  The AY428 error can be triggered by several factors, including:
  
  Data Entry Errors: Incorrect or incomplete data entered in the distribution or detail screen.
  Validation Rules: The system has specific validation rules that the entered data must meet. If the data does not comply with these rules, the error will be raised.
  Missing Master Data: Required master data (like cost centers, profit centers, or accounts) may be missing or incorrectly configured.
  Inconsistent Data: Data that does not match the expected format or values, such as incorrect account types or invalid combinations of fields.
  Authorization Issues: Lack of proper authorization to perform certain actions or access specific data.
  
  Solution:
  To resolve the AY428 error, you can take the following steps:
  
  Review Input Data: Check the data entered in the distribution or detail screen for any inaccuracies or omissions. Ensure that all required fields are filled out correctly.
  Check Validation Rules: Understand the validation rules that are in place for the specific transaction. This may involve consulting with your SAP functional team or reviewing documentation.
  Verify Master Data: Ensure that all necessary master data is available and correctly configured. This includes checking for valid cost centers, profit centers, and account assignments.
  Consult Error Log: If available, check the error log or message details for more specific information about what caused the validation failure.
  Authorization Check: Ensure that you have the necessary authorizations to perform the action you are attempting. If not, contact your SAP security team to request the appropriate access.
  Testing in a Sandbox: If possible, replicate the issue in a test or sandbox environment to better understand the cause without affecting production data.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the AY428 error. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as SE91 (Message Maintenance) to look up message details.
  Documentation: Review SAP documentation or user manuals related to the specific module you are working with for additional context on validation rules and data requirements.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or a consultant who specializes in the relevant module for further assistance.