Cannot parse testdata.
Error: Cannot parse testdata.
    at readAutoCases (/root/vijos-judge/node_modules/@hydrooj/hydrojudge/dist/cases.js:189:15)
    at async readYamlCases (/root/vijos-judge/node_modules/@hydrooj/hydrojudge/dist/cases.js:270:19)
    at async Object.readCases [as default] (/root/vijos-judge/node_modules/@hydrooj/hydrojudge/dist/cases.js:318:20)
    at async JudgeTask.doSubmission (/root/vijos-judge/node_modules/@hydrooj/hydrojudge/dist/hosts/vj4.js:118:23)
    at async JudgeTask.handle (/root/vijos-judge/node_modules/@hydrooj/hydrojudge/dist/hosts/vj4.js:81:17)
    at async daemon (/root/vijos-judge/node_modules/@hydrooj/hydrojudge/dist/daemon.js:84:17)
[{}]
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