The error message indicates a problem that occurred while performing code auto-repair or code checking. It points out that there is an issue when trying to read the 'kind' property of an undefined object.

[xsycosomo]

typescript-service.js:31259 Uncaught (in promise) TypeError: Cannot read properties of undefined (reading 'kind')
at isForInOrOfStatement (typescript-service.js:31259:21)
at typescript-service.js:147254:60
at findAncestor (typescript-service.js:30336:28)
at makeChange4 (typescript-service.js:147254:32)
at typescript-service.js:147333:93
at _ChangeTracker.with (typescript-service.js:168066:21)
at Object.getCodeActionsToAddMissingConst [as getCodeActions] (typescript-service.js:147333:78)
at typescript-service.js:146814:50
at flatMap (typescript-service.js:14131:27)
at Object.getFixes (typescript-service.js:146814:16)