rr recent document with front most application such as Microsoft Excel or word doesn't work. Is it supposed to work?

[pszgit]

I get the following error message in debugger log:

[20:06:01.891] Recent Documents / Apps[Script Filter] Queuing argument '(null)'
[20:06:02.301] Recent Documents / Apps[Script Filter] Script with argv '(null)' finished
[20:06:02.304] ERROR: Recent Documents / Apps[Script Filter] Code 1: Traceback (most recent call last):
File "main.py", line 215, in
allItemsLinkList.extend(itemsLinkList)
TypeError: 'NoneType' object is not iterable
[20:06:02.306] Recent Documents / Apps[Script Filter] Expected str, got bytes
[20:06:02.308] ERROR: Recent Documents / Apps[Script Filter] JSON error: JSON text did not start with array or object and option to allow fragments not set. around line 1, column 0. in JSON:
Expected str, got bytes