Not able to delete Travel And Expense due to Budget error

1) Created a Travel Authorization

2) Ran Budget check and for error "No Budget Exists"

Now we want to delete the Travel and Expense report but getting below error (the Error is No Budget exist) but we don't want the budget to exist as we want to Just delete

"Budget Checking Process for Travel Authorization fails.

The selected transaction(s) could not be deleted now because budget checking fails.

Please contact your administrator to check budget exception page for details."