Fatal error

When I’m idexing I got a FATAL ERRROR… here’s log…

[0.0221] Info: WP_Query results written to log
[0.0000] Meta indexed so far: 0 / 1061
[0.2141] Meta indexed so far: 99 / 1061
[0.0000] Meta indexed so far: 100 / 1061
[0.2819] Meta indexed so far: 199 / 1061
[0.0000] Meta indexed so far: 200 / 1061
[0.2125] Meta indexed so far: 299 / 1061
[0.0000] Meta indexed so far: 300 / 1061
[0.2792] Meta indexed so far: 399 / 1061
[0.0000] Meta indexed so far: 400 / 1061
[0.5132] Meta indexed so far: 499 / 1061
[0.0000] Meta indexed so far: 500 / 1061
[0.1478] Meta indexed so far: 599 / 1061
[0.0000] Meta indexed so far: 600 / 1061
[0.2656] Meta indexed so far: 699 / 1061
[0.0000] Meta indexed so far: 700 / 1061
[0.1847] Meta indexed so far: 799 / 1061
[0.0000] Meta indexed so far: 800 / 1061
[0.2047] Meta indexed so far: 899 / 1061
[0.0000] Meta indexed so far: 900 / 1061
[0.1887] Meta indexed so far: 999 / 1061
[0.0000] Meta indexed so far: 1000 / 1061
[0.1260] Meta indexed so far: 1060 / 1061
[0.2095] Info: Valid and Invalid meta results written to log
[0.3149] Info: Image file results written to log
[5.2346] Info: Backup meta results written to log
[0.0004] Uknown error: Please see returned value below

<b>Warning</b>:  Illegal string offset \'full-orig\' in <b>/homepages/19/d464376281/htdocs/wp-content/plugins/image-cleanup/image-cleanup.plugin.php</b> on line <b>559</b>

.... (Illegal String offset message repeats maaany times) ....

<b>/homepages/19/d464376281/htdocs/wp-content/plugins/image-cleanup/image-cleanup.plugin.php</b> on line <b>559</b>
1

[Moderator Note: Please post log files between backticks or use the code button.]

can you help me?

https://www.ads-software.com/plugins/image-cleanup/