Error: fn:search,error:Cannot read properties of undefined (reading 'toUpperCase')

[gdoumen]

(observed in logs)

2024-12-03T17:21:41.252Z,version:0.8.48,message:page shown,page:RouteList
2024-12-03T17:21:41.291Z,version:0.8.48,message:Carousel initialized,list:myRoutes,item:0,itemsInSlide:7
2024-12-03T17:21:41.453Z,version:0.8.48,message:Carousel initialized,list:selected,item:0,itemsInSlide:7
2024-12-03T17:21:41.703Z,version:0.8.48,message:Carousel initialized,list:alternaties,item:0,itemsInSlide:7
2024-12-03T17:21:45.518Z,message:open-file-dialog request,event:{...},props:{\multiple\:false,\directory\:false,\filters\:[{\name\:\Routes\,\extensions\:[\gpx\,\epm\,\xml\,\rlv\,\pgmf\]},{\name\:\Tracks\,\extensions\:[\gpx\]},{\name\:\RLV: ErgoPlanet\,\extensions\:[\epm\>
2024-12-03T17:21:45.517Z,version:0.8.48,page:RouteList,message:dropzone clicked,eventSource:user
2024-12-03T17:22:20.636Z,version:0.8.48,page:RouteList,message:dropzone file(s) selected,files:[Karwendelrunde.xml],source:user
2024-12-03T17:22:20.639Z,version:0.8.48,message:Error,fn:search,error:Cannot read properties of undefined (reading 'toUpperCase'),
stack:TypeError: Cannot read properties of undefined (reading 'toUpperCase')\n
        at file:///C:/Users/H712DUFT/AppData/Roaming/Incyclist/react/static/js/2.0731cb1b.chunk.js:1:924116\n
        at Array.filter (<anonymous>)\n
        at i.applyTitleFilter (file:///C:/Users/H712DUFT/AppData/Roaming/Incyclist/react/static/js/2.0731cb1b.chunk.js:1:924098)\n    
        at i.search (file:///C:/Users/H712DUFT/AppData/Roaming/Incyclist/react/static/js/2.0731cb1b.chunk.js:1:922638)\n
        at s.<anonymous> (file:///C:/Users/H712DUFT/AppData/Roaming/Incyclist/react/static/js/main.b55334c6.chunk.js:2006:9908)\n
        at s.emit (file:///C:/Users/H712DUFT/AppData/Roaming/Incyclist/react/static/js/2.0731cb1b.chunk.js:1:58040)\n
        at r.emit (file:///C:/Users/H712DUFT/AppData/Roaming/Incyclist/react/static/js/2.0731cb1b.chunk.js:1:6421253)\n
        at i.emitLists (file:///C:/Users/H712DUFT/AppData/Roaming/Incyclist/react/static/js/2.0731cb1b.chunk.js:1:928662)\n    
        at i.addImportCard (file:///C:/Users/H712DUFT/AppData/Roaming/Incyclist/react/static/js/2.0731cb1b.chunk.js:1:929158)\n    
        at file:///C:/Users/H712DUFT/AppData/Roaming/Incyclist/react/static/js/2.0731cb1b.chunk.js:1:927603