TypeError: Cannot read properties of undefined (reading 'replace')

[monzim]

No Data is Found

TypeError: Cannot read properties of undefined (reading 'replace')
    at Object.db (/opt/vnstat-client/resources/app.asar/app/background.js:1:52509)
    at IpcMainImpl.<anonymous> (/opt/vnstat-client/resources/app.asar/app/background.js:1:57900)
    at IpcMainImpl.emit (node:events:394:28)
    at Object.<anonymous> (node:electron/js2c/browser_init:165:9959)
    at Object.emit (node:events:394:28)

Install from: yay vnstat systemctl already running

● vnstat.service● vnstat.service - vnStat network traffic monitor
     Loaded: loaded (/usr/lib/systemd/system/vnstat.service; enabled; v>
     Active: active (running) since Sat 2022-02-19 23:15:43 +06; 1h 27m>
       Docs: man:vnstatd(8)
             man:vnstat(1)
             man:vnstat.conf(5)
   Main PID: 479 (vnstatd)
      Tasks: 1 (limit: 9361)
     Memory: 4.1M
        CPU: 302ms
     CGroup: /system.slice/vnstat.service
             └─479 /usr/sbin/vnstatd -n - vnStat network traffic monitor
     Loaded: loaded (/usr/lib/systemd/system/vnstat.service; enabled; v>
     Active: active (running) since Sat 2022-02-19 23:15:43 +06; 1h 27m>
       Docs: man:vnstatd(8)
             man:vnstat(1)
             man:vnstat.conf(5)
   Main PID: 479 (vnstatd)
      Tasks: 1 (limit: 9361)
     Memory: 4.1M
        CPU: 302ms
     CGroup: /system.slice/vnstat.service
             └─479 /usr/sbin/vnstatd -n

[hulxv]

Can you send your vnstat configuration file? You're supposed to find it in "/etc/vnstat.conf"

You can run

cat /etc/vnstat.conf

And show me the output

[monzim]

# vnStat 2.9 configuration file
#
# lines starting with # or ; are comments, everything has default
# values, remove ; before each option to change its value

# default interface (leave empty for automatic selection)
;Interface ""

# location of the database directory
;DatabaseDir "/var/lib/vnstat"

# locale (LC_ALL) ("-" = use system locale)
;Locale "-"

# date output formats for -d, -m, -t and -w
;DayFormat    "%Y-%m-%d"
;MonthFormat  "%Y-%m"
;TopFormat    "%Y-%m-%d"

# characters used for visuals
;RXCharacter       "%"
;TXCharacter       ":"
;RXHourCharacter   "r"
;TXHourCharacter   "t"

# how units are prefixed when traffic is shown
# 0 = IEC standard prefixes (KiB/MiB/GiB...)
# 1 = old style binary prefixes (KB/MB/GB...)
# 2 = SI decimal prefixes (kB/MB/GB...)
;UnitMode 0

# used rate unit (0 = bytes, 1 = bits)
;RateUnit 1

# how units are prefixed when traffic rate is shown in bits
# 0 = IEC binary prefixes (Kibit/s...)
# 1 = SI decimal prefixes (kbit/s...)
;RateUnitMode 1

# output style
# 0 = minimal & narrow, 1 = bar column visible
# 2 = same as 1 except rate in summary
# 3 = rate column visible
;OutputStyle 3
;EstimateBarVisible 1

# number of decimals to use in outputs
;DefaultDecimals 2
;HourlyDecimals 1

# spacer for separating hourly sections (0 = none, 1 = '|', 2 = '][', 3 = '[ ]')
;HourlySectionStyle 2

# how many seconds should sampling for -tr take by default
;Sampletime 5

# default query mode
# 0 = normal, 1 = days, 2 = months, 3 = top, 5 = short
# 7 = hours, 8 = xml, 9 = one line, 10 = json
;QueryMode 0

# default list output entry limits (0 = all)
;List5Mins      24
;ListHours      24
;ListDays       30
;ListMonths     12
;ListYears       0
;ListTop        10

# how to match interface given for query to interface in database
# 0 = case sensitive exact match to interface name
# 1 = method 0 followed by case sensitive exact match of alias
# 2 = method 1 followed by case insensitive exact match of alias
# 3 = method 2 followed by case insensitive beginning match of alias
;InterfaceMatchMethod 3

# vnstatd
##

# switch to given user when started as root (leave empty to disable)
;DaemonUser ""

# switch to given group when started as root (leave empty to disable)
;DaemonGroup ""

# try to detect interface maximum bandwidth, 0 = disable feature
# MaxBandwidth will be used as fallback value when enabled
;BandwidthDetection 1

# maximum bandwidth (Mbit) for all interfaces, 0 = disable feature
# (unless interface specific limit is given)
;MaxBandwidth 1000

# interface specific limits
#  example 8Mbit limit for eth0 (remove # to activate):
#MaxBWeth0 8

# data retention durations (-1 = unlimited, 0 = feature disabled)
;5MinuteHours   48
;HourlyDays      4
;DailyDays      62
;MonthlyMonths  25
;YearlyYears    -1
;TopDayEntries  20

# how often (in seconds) interface data is updated
;UpdateInterval 20

# how often (in seconds) interface status changes are checked
;PollInterval 5

# how often (in minutes) data is saved to database
;SaveInterval 5

# how often (in minutes) data is saved when all interface are offline
;OfflineSaveInterval 30

# rescan database after save for new interfaces to be monitored (1 = enabled, 0 = disabled)
;RescanDatabaseOnSave 1

# automatically start monitoring all interfaces not found in the database
# (1 = enabled, 0 = disabled)
;AlwaysAddNewInterfaces 0

# on which day should months change
;MonthRotate 1
;MonthRotateAffectsYears 0

# filesystem disk space check (1 = enabled, 0 = disabled)
;CheckDiskSpace 1

# how much the boot time can variate between updates (seconds)
;BootVariation 15

# create database entries even when there is no traffic (1 = enabled, 0 = disabled)
;TrafficlessEntries 1

# how many minutes to wait during daemon startup for system clock to
# sync time if most recent database update appears to be in the future
;TimeSyncWait 5

# how often (in minutes) bandwidth detection is done when
# BandwidthDetection is enabled (0 = disabled)
;BandwidthDetectionInterval 5

# force data save when interface status changes (1 = enabled, 0 = disabled)
;SaveOnStatusChange 1

# enable / disable logging (0 = disabled, 1 = logfile, 2 = syslog)
;UseLogging 2

# create dirs if needed (1 = enabled, 0 = disabled)
;CreateDirs 1

# update ownership of files if needed (1 = enabled, 0 = disabled)
;UpdateFileOwner 1

# file used for logging if UseLogging is set to 1
;LogFile "/var/log/vnstat/vnstat.log"

# file used as daemon pid / lock file
;PidFile "/var/run/vnstat/vnstat.pid"

# 1 = 64-bit, 0 = 32-bit, -1 = old style logic, -2 = automatic detection
;64bitInterfaceCounters -2

# use SQLite Write-Ahead Logging mode (1 = enabled, 0 = disabled)
;DatabaseWriteAheadLogging 0

# change the setting of the SQLite "synchronous" flag
# (-1 = auto, 0 = off, 1, = normal, 2 = full, 3 = extra)
;DatabaseSynchronous -1

# database uses UTC instead of local timezone (1 = enabled, 0 = disabled)
;UseUTC 0

# vnstati
##

# title timestamp format
;HeaderFormat "%Y-%m-%d %H:%M"

# show hours with rate (1 = enabled, 0 = disabled)
;HourlyRate 1

# show rate in summary (1 = enabled, 0 = disabled)
;SummaryRate 1

# transparent background (1 = enabled, 0 = disabled)
;TransparentBg 0

# image size control
;LargeFonts 0
;LineSpacingAdjustment 0
;ImageScale 100

# 5 minutes graph size control
;5MinuteGraphResultCount 576
;5MinuteGraphHeight 300

# hourly graph mode (0 = 24 hour sliding window, 1 = begins from midnight)
;HourlyGraphMode 0

# horizontal/vertical summary graph (0 = hours, 1 = 5 minutes)
;SummaryGraph 0

# traffic estimate bar style
# (0 = not shown, 1 = continuation of existing bar, 2 = separate bar)
;EstimateStyle 1

# bar column in list outputs shows rate if OutputStyle is 3
# (1 = enabled, 0 = disabled)
;BarColumnShowsRate 0

# image colors
;CBackground     "FFFFFF"
;CEdge           "AEAEAE"
;CHeader         "606060"
;CHeaderTitle    "FFFFFF"
;CHeaderDate     "FFFFFF"
;CText           "000000"
;CLine           "B0B0B0"
;CLineL          "-"
;CRx             "92CF00"
;CTx             "606060"
;CRxD            "-"
;CTxD            "-"

[hulxv]

Remove semicolon before "DatabaseDir"

[monzim]

It's working Thank you 😊

[hulxv]

It's working Thank you 😊

Great 😀