checked error on Fprintf

[sunnya97]

• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added entries in PENDING.md with issue #

• rereviewed Files changed in the github PR explorer

---

For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge pull request #XYZ: [title]" (coding standards)

[codecov]

Codecov Report

Merging #2257 into develop will decrease coverage by 0.02%.
The diff coverage is 33.33%.

@@             Coverage Diff             @@
##           develop    #2257      +/-   ##
===========================================
- Coverage    63.98%   63.95%   -0.03%     
===========================================
  Files          140      140              
  Lines         8608     8612       +4     
===========================================
  Hits          5508     5508              
- Misses        2723     2725       +2     
- Partials       377      379       +2

[cwgoes]

utACK