Stack

/usr/local/go/src/runtime/panic.go:884
/usr/local/go/src/runtime/panic.go:260
/usr/local/go/src/runtime/signal_unix.go:835
/usr/local/go/src/database/sql/sql.go:2985
/home/csmkt/go/src/nicht.ddns.net/AchGenau/frontend-inventurservice/main.go:285
/home/csmkt/go/src/nicht.ddns.net/AchGenau/frontend-inventurservice/main.go:448
/home/csmkt/go/pkg/mod/github.com/astaxie/beego@v1.12.3/router.go:877
/usr/local/go/src/net/http/server.go:2947
/usr/local/go/src/net/http/server.go:1991
/usr/local/go/src/runtime/asm_amd64.s:1594