TypeError when visiting a certain URL

[jonasongg]

Tell us about your environment

• RepoSense Version: Latest version d2018d246e74fa04ae70d2f1f0f16c9e8e29e187
• OS and Version: Windows 11
• Web Browser and Version (if applicable): Edge (but reproducible on Chrome)

Please include the steps to reproduce the bug.

1. Visit this URL: http://localhost:8080/?search=tag%3A&sort=groupTitle%20dsc&sortWithin=title&timeframe=commit&mergegroup=&groupSelect=groupByRepos&breakdown=true&since=2017-01-31&checkedFileTypes=&tabOpen=true&tabType=zoom&zFR=false&zA=eugenepeh&zR=reposense%2FRepoSense%5Bmaster%5D&zACS=133.3170731707317&zS=2017-01-31&zFS=tag%3Av1.8&zU=2024-02-05&zMG=false&zFTF=commit&zFGS=groupByRepos&zFT=gradle~java~js~scss~yml~md&zCST=time
2. RepoSense will fail to load, and a TypeError is thrown in the console:

If possible, include the URL to your RepoSense report or log files (if any).

RepoSense was run with ./gradlew run -Dargs="--repos https://github.com/reposense/RepoSense.git https://github.com/AY2324S1-CS2103T-W17-4/tp.git https://github.com/AY2324S1-CS2103T-W17-3/tp.git https://github.com/AY2324S1-CS2103T-W17-2/tp.git https://github.com/AY2324S1-CS2103T-W17-1/tp.git --since 31/1/2017" + ./gradlew hotReloadFrontend