TypeError: Converting circular structure to JSON    --> starting at object with constructor 'Topology'    |     property 's' -> object with constructor 'Object'    |     property 'sessionPool' -> object with constructor 'ServerSessionPool'    --- property 'topology' closes the circle    at JSON.stringify ()    at stringify (D:\node_projects\SSKM_School\SSKM_Backend\node_modules\express\lib\response.js:1123:12)    at ServerResponse.json (D:\node_projects\SSKM_School\SSKM_Backend\node_modules\express\lib\response.js:260:14)    at D:\node_projects\SSKM_School\SSKM_Backend\routers\admin.js:8:18    at Layer.handle [as handle_request] (D:\node_projects\SSKM_School\SSKM_Backend\node_modules\express\lib\router\layer.js:95:5)    at next (D:\node_projects\SSKM_School\SSKM_Backend\node_modules\express\lib\router\route.js:137:13)    at Route.dispatch (D:\node_projects\SSKM_School\SSKM_Backend\node_modules\express\lib\router\route.js:112:3)    at Layer.handle [as handle_request] (D:\node_projects\SSKM_School\SSKM_Backend\node_modules\express\lib\router\layer.js:95:5)    at D:\node_projects\SSKM_School\SSKM_Backend\node_modules\express\lib\router\index.js:281:22    at Function.process_params (D:\node_projects\SSKM_School\SSKM_Backend\node_modules\express\lib\router\index.js:335:12)