#2115 error when importing empty row

[benjaperez1983]

Fixes #2115

Description

Error when importing a sheet with an empty row

Type of change

Please mark relevant options with an x in the brackets.

• 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 not work as expected)
• This change requires documentation changes (link at least one user or developer documentation issue):
• Algorithm update - updates algorithm documentation/questions/answers etc.
• Other (please describe):

How Has This Been Tested?

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• Integration tests
• Unit tests
• Manual tests
• No tests required

Reviewer checklist

Mark everything that needs to be checked before merging the PR.

• Check if the code is well documented
• Check if the behavior is what is expected
• Check if the code is well tested
• Check if the code is readable and well formatted
• Additional checks (document below if any)
• Check if documentation update issue(s) are created if the option This change requires a documentation update above is selected

Screenshots (if appropriate):

Questions (if appropriate):

[rwmcintosh]

This PR needs to merge into 12.1 instead of develop so that it does not merge to v12.

Changes needed -> change PR target branch

Other comments are for discussion, or for your consideration.