EBS FRM-40735: WHEN-NEW-FORM-INSTANCE trigger raised unhandled exception

This error occurs when an exception is raised in a WHEN-NEW-FORM-INSTANCE trigger and is not handled.

Resolving FRM-40735: WHEN-NEW-FORM-INSTANCE Trigger Error in Oracle E-Business Suite

Understanding Oracle E-Business Suite (EBS)

Oracle E-Business Suite (EBS) is a comprehensive suite of integrated business applications designed to automate and streamline business processes. It includes modules for financials, supply chain management, human resources, and more, providing a unified platform for enterprise resource planning (ERP).

Identifying the Symptom

When working with Oracle Forms within EBS, you might encounter the error message: FRM-40735: WHEN-NEW-FORM-INSTANCE trigger raised unhandled exception. This error typically appears when opening a form, indicating that an exception occurred during the initialization phase of the form.

Common Observations

  • The form fails to load properly.
  • An error dialog box displays the FRM-40735 message.
  • Subsequent operations on the form may be disrupted.

Exploring the Issue

The FRM-40735 error is linked to the WHEN-NEW-FORM-INSTANCE trigger, which is executed when a form is first loaded. This trigger is responsible for setting up the form environment, initializing variables, and preparing the form for user interaction. An unhandled exception in this trigger can prevent the form from functioning correctly.

Root Causes

  • Missing or incorrect initialization code.
  • Dependencies on other forms or libraries that are not available.
  • Incorrect handling of null or unexpected values.

Steps to Fix the Issue

To resolve the FRM-40735 error, follow these steps to implement proper error handling and ensure the form initializes correctly:

1. Review the Trigger Code

Open the form in Oracle Forms Builder and navigate to the WHEN-NEW-FORM-INSTANCE trigger. Examine the code for any potential exceptions that are not being handled. Look for operations that might fail, such as database queries or calls to external libraries.

2. Implement Exception Handling

Wrap critical sections of the trigger code in a BEGIN...EXCEPTION...END block to catch and handle exceptions. For example:

BEGIN
-- Initialization code
...
EXCEPTION
WHEN OTHERS THEN
-- Log the error and display a user-friendly message
MESSAGE('An error occurred during form initialization.');
RAISE FORM_TRIGGER_FAILURE;
END;

3. Validate Dependencies

Ensure that all dependencies, such as libraries and database connections, are available and correctly configured. Verify that any referenced objects exist and are accessible.

4. Test the Form

After making changes, test the form thoroughly to ensure that it initializes without errors. Check for any additional issues that might arise and address them as needed.

Additional Resources

For more information on handling exceptions in Oracle Forms, refer to the following resources:

By following these steps, you can effectively resolve the FRM-40735 error and ensure smooth operation of your Oracle EBS forms.

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