sh: 1: Syntax error Unterminated quoted string

[2635599]

when i try to backup the icons and themes i get the below.

sh: 1: Syntax error Unterminated quoted string

open aptik
tick backup
tick expert
go down the list and backup each item. everything backs up perfectly except for icons and themes.

Expected behavior
not to get
sh: 1: Syntax error Unterminated quoted string

Screenshots
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System:

• Linux mint cinnamon 19.1 tesa 64 bit]
• aptik 18.8

now if i create a folder on the desktop and use aptik the same way to backup to it i don't have this problem. syntex screams file system issue from past experience in windows, but i find that very unlikely since i have tones of files and programs on my backup partition and none of them are giving me a issue. i was using that location without issue and one day just started getting that issue.