Fix subspace already occupied error

[anilcse]

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name: Pull Request
about: Submit a pull request
title: ''
labels: ''
assignees: '@boz @gosuri'

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Description

Motivation and Context

• I have raised an issue to propose this change (required)
• My issue has received approval from the maintainers or lead with the design/approved label

How Has This Been Tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I've read the CONTRIBUTION guide
• I have signed-off my commits with git commit -s
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #626 into master will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master     #626      +/-   ##
==========================================
- Coverage   22.13%   22.13%   -0.01%     
==========================================
  Files         127      127              
  Lines        6342     6343       +1     
==========================================
  Hits         1404     1404              
- Misses       4861     4862       +1     
  Partials       77       77              

Impacted Files	Coverage Δ
app/app.go	88.52% <0.00%> (-0.37%)	⬇️

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