validateDOMNesting React Warning in Browser console

[nuest]

Happens in line 1472 of https://o2r.uni-muenster.de/usr/src/app/node_modules/react-error-overlay/lib/index.js

Warning: validateDOMNesting(...): <div> cannot appear as a descendant of <p>.
    in div (created by ForwardRef(CircularProgress))
    in ForwardRef(CircularProgress) (created by WithStyles(ForwardRef(CircularProgress)))
    in WithStyles(ForwardRef(CircularProgress)) (at Check.js:24)
    in span (at Check.js:24)
    in Status (at Check.js:66)
    in p (created by ForwardRef(Typography))
    in ForwardRef(Typography) (created by WithStyles(ForwardRef(Typography)))
    in WithStyles(ForwardRef(Typography)) (at Check.js:65)
    in div (created by ForwardRef(ExpansionPanelSummary))
    in div (created by ForwardRef(ButtonBase))
    in ForwardRef(ButtonBase) (created by WithStyles(ForwardRef(ButtonBase)))
    in WithStyles(ForwardRef(ButtonBase)) (created by ForwardRef(ExpansionPanelSummary))
    in ForwardRef(ExpansionPanelSummary) (created by WithStyles(ForwardRef(ExpansionPanelSummary)))
    in WithStyles(ForwardRef(ExpansionPanelSummary)) (at Check.js:64)
    in div (created by ForwardRef(Paper))
    in ForwardRef(Paper) (created by WithStyles(ForwardRef(Paper)))
    in WithStyles(ForwardRef(Paper)) (created by ForwardRef(ExpansionPanel))
    in ForwardRef(ExpansionPanel) (created by WithStyles(ForwardRef(ExpansionPanel)))
    in WithStyles(ForwardRef(ExpansionPanel)) (at Check.js:61)
    in div (at Check.js:59)
    in ListJobs (at Check.js:216)
    in div (at Check.js:208)
    in div (at Check.js:188)
    in Check (at ERC.js:265)
    in div (at ERC.js:264)
    in div (created by ReflexElement)
    in ReflexElement (at ERC.js:242)
    in div (created by ReflexContainer)
    in ReflexContainer (at ERC.js:202)
    in div (at ERC.js:201)
    in ERC (created by Context.Consumer)
    in withRouter(ERC) (created by Context.Consumer)
    in Route (at App.js:122)
    in div (at App.js:115)
    in div (at App.js:114)
    in Router (created by HashRouter)
    in HashRouter (at App.js:113)
    in div (at App.js:105)
    in ThemeProvider (at App.js:104)
    in App (at src/index.js:7)