Hi Jane, the issue should be caused by a sub process is deleted before upgrade to 10.1. This issue will be addressed with the coming update 1 for 10.1 which will be released in coming two weeks. Or you can correct the data manually using following method:

Please perform the following steps to try and address the matter with the customer's Forms 10.1 database.

1. Go into SQL Server Management Studio and run this query against their Forms database

select b.bp_id,p.process_id,m.milestone_id,m.name FROM [dbo].[cf_business_processes] as b,[dbo].[cf_bp_processes] as p,[cf_bp_milestones] as m WHERE b.is_deleted!=1 and b.bp_id=p.bp_id and p.is_global = 1 and m.is_deleted=1 and p.process_id=m.process_id

This will return a list of processes that could potentially have this problem.

2. Confirm that the processes from above are missing stages and if so, correct the issue:
2a. Open the process diagram with the bp_id from the above query: http://[formsserver]/Forms/bp/routing/[bp_id]
2b. Try and save the process design and see if there is an error
2c. Find out the process_id for the affected bp_id values from the above query and run the following query to fix it

update[dbo].[cf_bp_milestones]set is_deleted=0 where process_id=[process_id]