Build step failing to generate types

[SnorlaxAssist]

npm run build
...

types/out/class/ClassGenerator.js:875
                const originalExtends = tsImplInterface.getExtends()[0].getExpression().getText();
                                                                       ^

TypeError: Cannot read properties of undefined (reading 'getExpression')
    at ClassGenerator.generateClass (/home/runner/work/types/types/out/class/ClassGenerator.js:875:72)
    at ClassGenerator.generateClasses (/home/runner/work/types/types/out/class/ClassGenerator.js:998:18)
    at ClassGenerator.<anonymous> (/home/runner/work/types/types/out/class/ClassGenerator.js:1055:18)
    at Generator.next (<anonymous>)
    at fulfilled (/home/runner/work/types/types/out/class/ClassGenerator.js:5:58)

CI Scheduled build seems to be failing.