codeFather

added exception handling to writeNonTransaction

1

## Description Addresses [#99](https://github.com/openfga/java-sdk/issues/99#issue-2451875712) ## References ## Review Checklist - [x] I have clicked on ["allow edits by maintainers"](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/working-with-forks/allowing-changes-to-a-pull-request-branch-created-from-a-fork). - [ ] I have added documentation for new/changed functionality in...