vscode will have the error shown in the figure after configuring the c language. why?

the following is the wrong code
/ / {

"resource": "/1/workspaceSettings.json",
"owner": "_generated_diagnostic_collection_name_-sharp0",
"code": "516",
"severity": 8,
"message": "Value expected",
"source": "jsonc",
"startLineNumber": 2285,
"startColumn": 1,
"endLineNumber": 2285,
"endColumn": 2

}