Problems uploading new style

I have written a new style (Canadian Guide to Uniform Legal Citation, 7th ed), but I am having trouble uploading it.

I am using TortoiseSVN in windows, and when I try to commit the file, I get the following error messages:

"Commit blocked by pre-commit hook (exit code 1) with output:
Log file cannot be empty"

Any hints on the final step here?

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