No access to settings page (500)

CMS verrsion: 4.2.3
Installation method: custom → build docker
Environment: ubuntu 22.04
Error: I don’t access the settings page.
log:
logId,runNo,logDate,channel,page,function,message,display.display,type,sessionHistoryId
28,c243e72,“2025-06-07 08:19:53”,WEB,/admin/view,GET,“Class "Xibo\Controller\Settings" not found”,ERROR,26
29,fe376c2,“2025-06-07 08:27:06”,WEB,/,GET,“Loading 1. All Objects = 0”,DEBUG,0
30,fe376c2,“2025-06-07 08:27:06”,WEB,/,GET,“ModuleFactory: getValidExtensions”,DEBUG,26
31,fe376c2,“2025-06-07 08:27:06”,WEB,/,GET,“ModuleFactory: getValidExtensions”,DEBUG,26
32,fe376c2,“2025-06-07 08:27:06”,WEB,/,GET,“Showing the homepage: statusdashboard.view”,DEBUG,26
33,fe376c2,“2025-06-07 08:27:06”,WEB,/,GET,“Request stats: {
"default": {
"select": 8,
"commit": 1
},
"log": {
"insert": 4
},
"connections": 1,
"length": 0.12271308898925781,
"memoryUsage": 4683720,
"peakMemoryUsage": 5364432
}.”,INFO,26
settings:
{
“PHONE_HOME_URL”: “https://xibo.org.uk/api/stats/track”
},
{
“PHONE_HOME_DATE”: “0”
},
{
“SERVER_MODE”: “Production”
},
{
“MAINTENANCE_ENABLED”: “Protected”
},
{
“MAINTENANCE_EMAIL_ALERTS”: “1”
},
{
“MAINTENANCE_LOG_MAXAGE”: “30”
},
{
“MAINTENANCE_STAT_MAXAGE”: “30”
},
{
“MAINTENANCE_ALERT_TOUT”: “12”
},
{
“SHOW_DISPLAY_AS_VNCLINK”: “”
},
{
“SHOW_DISPLAY_AS_VNC_TGT”: “_top”
},
{
“MAINTENANCE_ALWAYS_ALERT”: “0”
},
{
“SCHEDULE_LOOKAHEAD”: “1”
},


status: 500

I access this site by xibo default account xibo_admin