Mint Linux problem

Hello,

I tried to install it on my Linux mint. But I get this error when I try to run it. It's the latest version I downloaded it today (8/1/2021)

This is the output from the console:

WebGrab+Plus/w MDB & REX Postprocess -- version V3.1.0.0

Jan van Straaten
Francis De Paemeleere

thanks to Paul Weterings and all the contributing users
--------------------------------------------------------------------------------

Job started at 08/01/2021 21:39:33
Missing method System.Array::Empty<[1]>() in assembly /usr/lib/mono/4.5/mscorlib.dll, referenced in assembly /home/daniel/Downloads/.wg++/bin/WebGrab+Plus.timezone.dll
Job finished at 08/01/2021 21:39:34 done in 0s

Method not found: 'System.Array.Empty'.

at WG.common.timezone.TimeZones+Database.LoadEmbeddedData (System.String resourcename) [0x00000] in :0
at WG.common.timezone.TimeZones.constructor (System.String file, System.String f) [0x00000] in :0
at WG.common.timezone.TimeZones..ctor () [0x00000] in :0
Unhandled Exception
For detailed info, see log file /home/daniel/Downloads/.wg++/./WebGrab++.log.txt
Execution stopped

Here from the log file:

[ ]
[ ] WebGrab+Plus/w MDB & REX Postprocess -- version V3.1.0.0
[ ]
[ ] Jan van Straaten
[ ] Francis De Paemeleere
[ ]
[ ] thanks to Paul Weterings and all the contributing users
[ ] --------------------------------------------------------------------------------
[ ]
[ ] Job started at 08/01/2021 21:39:33
[ Debug ]
[ Debug ] Running on: Unix 3.13.0.37
[ Debug ] Environment: 4.0.30319.17020
[ Debug ] Mono version: 3.2.8 (Debian 3.2.8+dfsg-4ubuntu1.1)
[ Debug ]
[ Debug ] Loading timezone data
[ Debug ] Embedded timezones source: timezone.timezonesdata.txt
[ ] Job finished at 08/01/2021 21:39:34 done in 0s
[Critical]
Method not found: 'System.Array.Empty'.
[Critical]
at WG.common.timezone.TimeZones+Database.LoadEmbeddedData (System.String resourcename) [0x00000] in :0
at WG.common.timezone.TimeZones.constructor (System.String file, System.String f) [0x00000] in :0
at WG.common.timezone.TimeZones..ctor () [0x00000] in :0
[Critical] Unhandled Exception
[Critical] For detailed info, see log file /home/daniel/Downloads/.wg++/./WebGrab++.log.txt
[Critical] Execution stopped