Creating an Idea from Template throws a 500 error

Products

• Clarity PPM On Premise
• Clarity PPM SaaS

Issue/Introduction

You are creating an Idea from Template.  There is a required OBS field with a default.  You update the OBS field to another value.  When clicking 'Create' you receive-

ERROR 500- Internal Server Error.  The server could not retrieve the document due to server-configuration or other technical problems.  Contact your site administrator.

Steps to Reproduce: 

1. Log in to Classic view
2. Go to Administration>>OBS
3. Create New OBS with one level
4. Add Idea under Associated Objects
5. Click on the Units tab
6. Create two new units
7. Go to Administration>>Objects>>Idea>>Attributes
8. Click on the OBS Attribute
9. Add a default value
10. Add API Attribute ID
11. Click Save & Return
12. Click on Audit Trail
13. Add the obs unit to audit
14. Save & Return
15. Go to MUX
16. Go to Administration>>Blueprints
17. Copy Standard Idea, rename
18. Open the new Blueprint>>Edit 
19. Click on Rules
20. New Rule
21. Target Object = Idea
22. Conditions = Always True
23. Actions = Required Attribute & newly created OBS
24. Click Create
25. Go to Create from Template
26. Drag the OBS to under New Idea
27. Publish
28. Create a new idea 
29. Associate it with the new blueprint
30. Mark it as a Template
31. Click New from Template
32. Select your template
33. Enter required information
34. On OBS drop down, select another value than the default
35. Click Create

Expected Results: The Idea is created

Actual Results: Receiving 500 error

Environment

Release : 16.0.3+

Cause

DE67591

Resolution

Fixed in 16.1.1

Workaround -

Three options

• Remove the OBS from the Audit Trail OR
• Remove the default value on the OBS Attribute OR
• Do not make any changes to the OBS when creating from template.  Update after clicking Create