Seeing your logs, it appears that the last URL is the 83 of the thought Phoenix,44 (Phoenix,44.83). But also, the two previous URLs appears to be in problems: Phoenix,42.81 and Phoenix,42.82.
To activate the thought Phoenix,44 and remove the URL 83:
Type in the Search Box of the Plex the number of the Thought (44), and press Ctrl+Enter after this
Remove the URL attachment of the Thought
You can post or send by email the complete log files to investigate about this problem?
[Indexing.log, IndexBuilder.dat, IndexBuilder.log, UrlIndexBuilder.dat, UrlIndexBuilder.log and output.log]
Please let us know if, after removing the bad URL, the Indexing Process was completed successfully.