Warning: Received NaN for the id attribute. If this is expected, cast the value to a string.

[juancarlosfarah]

index.js:1437 Warning: Received NaN for the id attribute. If this is expected, cast the value to a string.
in button (created by ButtonBase)
in ButtonBase (created by WithStyles(ButtonBase))
in WithStyles(ButtonBase) (created by Button)
in Button (created by WithStyles(Button))
in WithStyles(Button) (at SavedSpaces.js:26)
in div (created by CardActions)
in CardActions (created by WithStyles(CardActions))
in WithStyles(CardActions) (at MediaCard.js:34)
in div (created by Paper)
in Paper (created by WithStyles(Paper))
in WithStyles(Paper) (created by Card)
in Card (created by WithStyles(Card))
in WithStyles(Card) (at MediaCard.js:26)
in MediaCard (created by WithStyles(MediaCard))
in WithStyles(MediaCard) (at SavedSpaces.js:42)
in div (created by Grid)
in Grid (created by WithStyles(Grid))
in WithStyles(Grid) (at SavedSpaces.js:41)
in div (created by Grid)
in Grid (created by WithStyles(Grid))
in WithStyles(Grid) (at SavedSpaces.js:62)
in SavedSpaces (created by ConnectFunction)
in ConnectFunction (created by WithStyles(Connect(SavedSpaces)))
in WithStyles(Connect(SavedSpaces)) (created by Context.Consumer)
in Route (created by withRouter(WithStyles(Connect(SavedSpaces))))
in withRouter(WithStyles(Connect(SavedSpaces))) (at Home.js:103)
in main (at Home.js:97)
in div (at Home.js:57)
in Home (created by ConnectFunction)
in ConnectFunction (created by WithStyles(Connect(Home)))
in WithStyles(Connect(Home)) (created by Context.Consumer)
in Route (created by withRouter(WithStyles(Connect(Home))))
in withRouter(WithStyles(Connect(Home))) (created by Context.Consumer)
in Route (at App.js:63)
in Switch (at App.js:62)
in div (at App.js:61)
in Router (created by HashRouter)
in HashRouter (at App.js:60)
in MuiThemeProviderOld (at App.js:52)
in App (at src/index.js:13)
in Provider (at src/index.js:12)