Request textDocument/documentSymbol failed. Error: name must not be falsy

[misode]

This error notification has been appearing in mcdoc files for a while, but now also appears in language files. To reproduce, create the following file in assets/minecraft/lang/en_us.json:

{
  ""
}

Stack trace

Request textDocument/documentSymbol failed.
Error: name must not be falsy
	at Gd.validate (file:///c:/Users/<USER>/AppData/Local/Programs/Microsoft%20VS%20Code/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:109:33647)
	at new Gd (file:///c:/Users/<USER>/AppData/Local/Programs/Microsoft%20VS%20Code/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:109:33936)
	at asDocumentSymbol (c:\Users\<USER>\Documents\projects\spyglass\packages\vscode-extension\dist\extension.js:8230:22)
	at convertBatch (c:\Users\<USER>\Documents\projects\spyglass\packages\vscode-extension\dist\extension.js:6565:23)
	at Object.map (c:\Users\<USER>\Documents\projects\spyglass\packages\vscode-extension\dist\extension.js:6573:19)
	at Object.asDocumentSymbols (c:\Users\<USER>\Documents\projects\spyglass\packages\vscode-extension\dist\extension.js:8227:22)
	at _provideDocumentSymbols (c:\Users\<USER>\Documents\projects\spyglass\packages\vscode-extension\dist\extension.js:12550:65)
	at async uI.provideDocumentSymbols (file:///c:/Users/<USER>/AppData/Local/Programs/Microsoft%20VS%20Code/resources/app/out/vs/workbench/api/node/extensionHostProcess.js:138:126457)