Error after running bin/winapps check

I am getting error after running _`bin/winapps check`_
My winapps.conf file has correct username and password
It gives the following error==

```
bin/winapps check
/usr/bin/xfreerdp
[14:40:28:725] [46505:46505] [ERROR][com.winpr.commandline] - Failed at index 1 []: Invalid sigil

FreeRDP - A Free Remote Desktop Protocol Implementation
See www.freerdp.com for more information

Usage: xfreerdp [file] [options] [/v:[:port]]

Syntax:
/flag (enables flag)
/option: (specifies option with value)
+toggle -toggle (enables or disables toggle, where '/' is a synonym of '+')

/a:[,] Addin
/action-script: Action script
/admin Admin (or console) session
+aero Enable desktop composition
/app: or || Remote application program
/app-cmd: Remote application command-line parameters
/app-file: File to open with remote application
/app-guid: Remote application GUID
/app-icon: Remote application icon for user interface
/app-name: Remote application name for user interface
/app-workdir: Remote application workspace path
/assistance: Remote assistance password
/auto-request-control Automatically request remote assistance
input control
+async-channels Enable Asynchronous channels
(experimental)
+async-input Enable Asynchronous input
+async-update Enable Asynchronous update
/audio-mode: Audio output mode
+auth-only Enable Authenticate only
-authentication Disable Authentication (experimental)
+auto-reconnect Enable Automatic reconnection
/auto-reconnect-max-retries:
Automatic reconnection maximum retries, 0
for unlimited [0,1000]
+bitmap-cache Enable bitmap cache
/bpp: Session bpp (color depth)
/buildconfig Print the build configuration
/cert:[deny,ignore,name:,tofu,fingerprint::
[,fingerprint::]]
Certificate accept options. Use with care!
* deny ... Automatically abort
connection if the certificate does not
match, no user interaction. *
ignore ... Ignore the certificate
checks altogether (overrules all other
options) * name
... Use the alternate
instead of the certificate subject to
match locally stored certificates * tofu
... Accept certificate
unconditionally on first connect and deny
on subsequent connections if the
certificate does not match * fingerprints
... A list of certificate hashes that are
accepted unconditionally for a connection
/cert-deny [deprecated, use /cert:deny] Automatically
abort connection for any certificate that
can not be validated.
/cert-ignore [deprecated, use /cert:ignore] Ignore
certificate
/cert-name: [deprecated, use /cert:name:]
Certificate name
/cert-tofu [deprecated, use /cert:tofu] Automatically
accept certificate on first connect
/client-build-number: Client Build Number sent to server
(influences smartcard behaviour, see
[MS-RDPESC])
/client-hostname: Client Hostname to send to server
-clipboard Disable Redirect clipboard
/codec-cache:[rfx|nsc|jpeg] Bitmap codec cache
-compression Disable compression
/compression-level: Compression level (0,1,2)
+credentials-delegation Enable credentials delegation
/d: Domain
-decorations Disable Window decorations
/disp Display control
/drive:, Redirect directory as named share
. Hotplug support is enabled with
/drive:hotplug,*. This argument provides
the same function as "Drives that I plug
in later" option in MSTSC.
+drives Enable Redirect all mount points as shares
/dvc:[,] Dynamic virtual channel
/dynamic-resolution Send resolution updates when the window is
resized
/echo Echo channel
-encryption Disable Encryption (experimental)
/encryption-methods:[40,][56,][128,][FIPS]
RDP standard security encryption methods
/f Fullscreen mode (++
toggles fullscreen)
-fast-path Disable fast-path input/output
+fipsmode Enable FIPS mode
/floatbar[:sticky:[on|off],default:[visible|hidden],show:
[always|fullscreen||window]]
floatbar is disabled by default (when
enabled defaults to sticky in fullscreen
mode)
-fonts Disable smooth fonts (ClearType)
/frame-ack: Number of frame acknowledgement
/from-stdin[:force] Read credentials from stdin. With
the prompt is done before connection,
otherwise on server request.
/g:[:] Gateway Hostname
/gateway-usage-method:[direct|detect]
Gateway usage method
/gd: Gateway domain
/gdi:sw|hw GDI rendering
/geometry Geometry tracking channel
+gestures Enable Consume multitouch input locally
/gfx[:RFX] RDP8 graphics pipeline
+gfx-progressive Enable RDP8 graphics pipeline using progressive
codec
+gfx-small-cache Enable RDP8 graphics pipeline using small cache
mode
+gfx-thin-client Enable RDP8 graphics pipeline using thin client
mode
+glyph-cache Enable Glyph cache (experimental)
/gp: Gateway password
-grab-keyboard Disable Grab keyboard
/gt:[rpc|http|auto] Gateway transport type
/gu:[[\]|[@]]
Gateway username
/gat: Gateway Access Token
/h: Height
-heartbeat Disable Support heartbeat PDUs
/help Print help
+home-drive Enable Redirect user home as share
/ipv6 Prefer IPv6 AAA record over IPv4 A record
/jpeg JPEG codec support
/jpeg-quality: JPEG quality
/kbd:0x or Keyboard layout
/kbd-lang:0x Keyboard active language identifier
/kbd-fn-key: Function key value
/kbd-list List keyboard layouts
/kbd-lang-list List keyboard languages
/kbd-subtype: Keyboard subtype
/kbd-type: Keyboard type
/load-balance-info: Load balance info
/log-filters::[,:[,...]]
Set logger filters, see wLog(7) for
details
/log-level:[OFF|FATAL|ERROR|WARN|INFO|DEBUG|TRACE]
Set the default log level, see wLog(7) for
details
/max-fast-path-size: Specify maximum fast-path update size
/max-loop-time: Specify maximum time in milliseconds spend
treating packets
+menu-anims Enable menu animations
/microphone[:[sys:,][dev:,][format:,][rate:,]
[channel:]] Audio input (microphone)
/monitor-list List detected monitors
/monitors:[,[,...]] Select monitors to use
-mouse-motion Disable Send mouse motion
/multimon[:force] Use multiple monitors
+multitouch Enable Redirect multitouch input
+multitransport Enable Support multitransport protocol
-nego Disable protocol security negotiation
/network:[modem|broadband|broadband-low|broadband-high|wan|lan|auto]
Network connection type
/nsc NSCodec support
+offscreen-cache Enable offscreen bitmap cache
/orientation:[0|90|180|270] Orientation of display in degrees
+old-license Enable Use the old license workflow (no CAL and
hwId set to 0)
/p: Password
/parallel[:[,]] Redirect parallel device
/parent-window: Parent window id
+password-is-pin Enable Use smart card authentication with
password as smart card PIN
/pcb: Preconnection Blob
/pcid: Preconnection Id
/pheight: Physical height of display (in
millimeters)
/play-rfx: Replay rfx pcap file
/port: Server port
-suppress-output Disable suppress output when minimized
+print-reconnect-cookie Enable Print base64 reconnect cookie after
connecting
/printer[:[,]] Redirect printer device
/proxy:[://][:@]:
Proxy settings: override env. var (see
also environment variable below). Protocol
"socks5" should be given explicitly where
"http" is default.
/pth: Pass the hash (restricted admin mode)
/pwidth: Physical width of display (in millimeters)
/rdp2tcp:
TCP redirection
/reconnect-cookie: Pass base64 reconnect cookie to the
connection
/redirect-prefer:,[...]
Override the preferred redirection order
/relax-order-checks Do not check if a RDP order was announced
during capability exchange, only use when
connecting to a buggy server
/restricted-admin Restricted admin mode
/rfx RemoteFX
/rfx-mode:[image|video] RemoteFX mode
/scale:[100|140|180] Scaling factor of the display
/scale-desktop: Scaling factor for desktop applications
(value between 100 and 500)
/scale-device:100|140|180 Scaling factor for app store applications
/sec:[rdp|tls|nla|ext] Force specific protocol security
+sec-ext Enable NLA extended protocol security
-sec-nla Disable NLA protocol security
-sec-rdp Disable RDP protocol security
-sec-tls Disable TLS protocol security
/serial[:[,[,[,permissive]]]]
Redirect serial device
/shell: Alternate shell
/shell-dir: Shell working directory
/size:x or %[wh]
Screen size
/smart-sizing[:x] Scale remote desktop to window size
/smartcard[:[,...]] Redirect the smartcard devices containing
any of the in their names.
/smartcard-logon Activates Smartcard Logon authentication.
(EXPERIMENTAL: NLA not supported)
/sound[:[sys:,][dev:,][format:,][rate:,]
[channel:,][latency:,][quality:]]
Audio output (sound)
/span Span screen over multiple monitors
/spn-class: SPN authentication service class
/ssh-agent SSH Agent forwarding channel
/t: Window title
-themes Disable themes
/timeout:<time in ms> Advanced setting for high latency links:
Adjust connection timeout, use if you
encounter timeout failures with your
connection
/tls-ciphers:[netmon|ma|ciphers] Allowed TLS ciphers
/tls-seclevel:<level> TLS security level - defaults to 1
-toggle-fullscreen Disable Alt+Ctrl+Enter to toggle
fullscreen
/tune:<setting:value>,<setting:value>
[experimental] directly manipulate freerdp
settings, use with extreme caution!
/tune-list Print options allowed for /tune
/u:[[<domain>\]<user>|<user>[@<domain>]]
Username
+unmap-buttons Enable Let server see real physical pointer
button
/usb:[dbg,][id:<vid>:<pid>#...,][addr:<bus>:<addr>#...,][auto]
Redirect USB device
/v:<server>[:port] Server hostname
/vc:<channel>[,<options>] Static virtual channel
/version Print version
/video Video optimized remoting channel
/vmconnect[:<vmid>] Hyper-V console (use port 2179, disable
negotiation)
/w:<width> Width
-wallpaper Disable wallpaper
+window-drag Enable full window drag
/window-position:<xpos>x<ypos> window position
/wm-class:<class-name> Set the WM_CLASS hint for the window
instance
/workarea Use available work area

Examples:
xfreerdp connection.rdp /p:Pwd123! /f
xfreerdp /u:CONTOSO\JohnDoe /p:Pwd123! /v:rdp.contoso.com
xfreerdp /u:JohnDoe /p:Pwd123! /w:1366 /h:768 /v:192.168.1.100:4489
xfreerdp /u:JohnDoe /p:Pwd123! /vmconnect:C824F53E-95D2-46C6-9A18-23A5BB403532 /v:192.168.1.100

Clipboard Redirection: +clipboard

Drive Redirection: /drive:home,/home/user
Smartcard Redirection: /smartcard:<device>
Serial Port Redirection: /serial:<name>,<device>,[SerCx2|SerCx|Serial],[permissive]
Serial Port Redirection: /serial:COM1,/dev/ttyS0
Parallel Port Redirection: /parallel:<name>,<device>
Printer Redirection: /printer:<device>,<driver>
TCP redirection: /rdp2tcp:/usr/bin/rdp2tcp

Audio Output Redirection: /sound:sys:oss,dev:1,format:1
Audio Output Redirection: /sound:sys:alsa
Audio Input Redirection: /microphone:sys:oss,dev:1,format:1
Audio Input Redirection: /microphone:sys:alsa

Multimedia Redirection: /video
USB Device Redirection: /usb:id:054c:0268#4669:6e6b,addr:04:0c

For Gateways, the https_proxy environment variable is respected:
export https_proxy=http://proxy.contoso.com:3128/
xfreerdp /g:rdp.contoso.com ...

More documentation is coming, in the meantime consult source files
```

my OS= Ubuntu 20.04 LTS
OS on Virtual Machine=Windows 10 Pro