Perch Blog Error

Upon save of a blog post, we get this error:

Warning: transliterator_transliterate(): Could not create transliterator with ID "Any-Latin; NFD; [:Nonspacing Mark:] Remove; NFC; [:Punctuation:] Remove; Lower();" (transliterator_create: unable to open ICU transliterator with id "Any-Latin; NFD; [:Nonspacing Mark:] Remove; NFC; [:Punctuation:] Remove; Lower();": U_INVALID_ID) in /u/r/resortscomunix/www.[redacted].com/perch/core/lib/PerchUtil.class.php on line 790

Perch Diagnostic Below:

Perch information
Perch: 3.0.11
Production mode: Production (100)
Installed apps: content (3.0.11), assets (3.0.11), categories (3.0.11), perch_blog (5.6.1)
DB driver: PDO
DB tables: cart_items (198), contact_form_submissions (6398), customers (6), experiences (274), experiences_categories (531), hot_deals (120), hot_deals_categories (118), packages (9), perch3_blog_authors (6), perch3_blog_comments (34), perch3_blog_index (3757), perch3_blog_posts (109), perch3_blog_posts_to_tags (1005), perch3_blog_sections (1), perch3_blog_tags (1095), perch3_blog_webmention_queue (0), perch3_blogs (1), perch3_categories (50), perch3_category_counts (2), perch3_category_sets (9), perch3_content_index (5795), perch3_content_items (431), perch3_content_regions (97), perch3_menu_items (9), perch3_navigation (3), perch3_navigation_pages (19), perch3_page_templates (7), perch3_pages (53), perch3_resource_log (2672), perch3_resource_tags (17), perch3_resources (782), perch3_resources_to_tags (44), perch3_settings (28), perch3_user_passwords (2), perch3_user_privileges (37), perch3_user_role_privileges (27), perch3_user_roles (2), perch3_users (6), purchases (17), resort_images (660), resort_locations (72), resorts (110), resorts_categories (233), user_resorts (134), user_tokens (1), users (10), venues (37)
Users: 6
App runtimes:
<?php
    $apps_list = [ 
        'perch_blog'
    ];
Scheduled tasks for perch_blog: delete_spam_comments (1440 mins), publish_posts (1 mins), process_webmentions (1 mins)
Editor plug-ins: tinymce
H1: b7d6d1d98ac794c6c32d295ea4bda93f
L1: 987502c1cc0f1cea67a8bd8fe439a0bc
F1: 05626e3b357b806b6d3d1302fef4d7f4
headerColour: #c21e25
content_singlePageEdit: 1
helpURL:
siteURL: /
hideBranding: 1
content_collapseList: 1
lang: en-gb
installedAt: 3.0.11
update_3.0.11: done
headerScheme: dark
dashboard: 1
sidebar_back_link: 0
hide_pwd_reset: 0
keyboardShortcuts: 0
content_hideNonEditableRegions: 0
content_frontend_edit: 0
content_skip_region_list: 0
assets_restrict_buckets: 0
logoPath: /perch/resources/logo-1.jpg
perch_blog_update: 5.6
perch_blog_post_url: /blog/post/{postSlug}
perch_blog_site_name:
perch_blog_slug_format: {postTitle}
perch_blog_akismet_key:
perch_blog_max_spam_days: 0
perch_blog_comment_notify: 0
perch_blog_webmention_tx: 0
perch_blog_webmention_rx: 0
PERCH_DEVELOPMENT: 10
PERCH_STAGING: 50
PERCH_PRODUCTION: 100
PERCH_DB_USERNAME: db518191
PERCH_DB_SERVER: localhost
PERCH_DB_DATABASE: db518191
PERCH_DB_PREFIX: perch3_
PERCH_TZ: UTC
PERCH_EMAIL_FROM: chad@chadtiffin.com
PERCH_EMAIL_FROM_NAME: Chad Tiffin
PERCH_LOGINPATH: /perch
PERCH_PATH: /u/r/resortscomunix/www.[redacted].com/perch
PERCH_CORE: /u/r/resortscomunix/www.[redacted].com/perch/core
PERCH_RESFILEPATH: /u/r/resortscomunix/www.[redacted].com/perch/resources
PERCH_RESPATH: /perch/resources
PERCH_HTML5: 1
PERCH_RUNWAY:
PERCH_ERROR_MODE: DIE
PERCH_DATE_LONG: %d %B %Y
PERCH_DATE_SHORT: %d %b %Y
PERCH_TIME_SHORT: %H:%M
PERCH_TIME_LONG: %H:%M:%S
PERCH_RUNWAY_ROUTED:
PERCH_STRONG_PASSWORDS:
PERCH_ASSET_VERSION: f704e7442d11292c99b5
PERCH_DEBUG:
PERCH_PREVIEW_ARG: preview
PERCH_TEMPLATE_PATH: /u/r/resortscomunix/www.[redacted].com/perch/templates
PERCH_TEMPLATE_FILTERS:
PERCH_DEFAULT_DOC: index.php
PERCH_DEFAULT_EXT: .php
PERCH_PRODUCTION_MODE: 100
PERCH_XHTML_MARKUP:
PERCH_RWD: 1
PERCH_HTML_ENTITIES:
PERCH_SSL:
PERCH_STRIPSLASHES:
PERCH_PROGRESSIVE_FLUSH: 1
PERCH_PARANOID:
PERCH_FORCE_SECURE_COOKIES:
PERCH_DEFAULT_BUCKET: default
PERCH_TRANSLATION_ASSIST:
PERCH_PASSWORD_MIN_LENGTH: 6
PERCH_MAX_FAILED_LOGINS: 10
PERCH_AUTH_LOCKOUT_DURATION: 1 HOUR
PERCH_VERIFY_UPLOADS:
PERCH_PRIV_ASSIST:
PERCH_CUSTOM_EDITOR_CONFIGS:
PERCH_ENABLE_EXIF: 1
PERCH_AUTH_PLUGIN:
PERCH_DB_CHARSET: utf8
PERCH_DB_PORT:
PERCH_DB_SOCKET:
PERCH_APPS_EDITOR_PLUGIN: markitup
PERCH_APPS_EDITOR_MARKUP_LANGUAGE: markdown
Hosting settings
PHP: 7.0.28
Zend: 3.0.0
OS: FreeBSD
SAPI: cgi-fcgi
Safe mode: not detected
MySQL client: mysqlnd 5.0.12-dev - 20150407 - $Id: b5c5906d452ec590732a93b051f3827e02749b83 $
MySQL server: 5.6.40
Free disk space: 78.64 GB
Extensions: Core, date, libxml, pcre, Reflection, SPL, hash, session, cgi-fcgi, standard, bcmath, bz2, calendar, ctype, curl, dom, mbstring, fileinfo, filter, ftp, gd, gettext, mysqlnd, iconv, imap, intl, json, exif, mcrypt, mysqli, openssl, PDO, posix, SimpleXML, soap, sockets, sqlite3, tidy, tokenizer, xml, xmlwriter, zip, zlib, pdo_mysql, pdo_sqlite, Phar, wddx, xmlreader, xsl
GD: Yes
ImageMagick: No
PHP max upload size: 10M
PHP max form post size: 10M
PHP memory limit: 256M
Total max uploadable file size: 10M
Resource folder writeable: Yes
Session timeout: 24 minutes
Native JSON: Yes
Filter functions: Yes
Transliteration functions: Yes
SCRIPT_NAME: /perch/core/settings/diagnostics/index.php
ORIG_SCRIPT_NAME: /cgi-bin/php
ORIG_PATH_TRANSLATED: /u/r/resortscomunix/www.[redacted].com/perch/core/settings/diagnostics/index.php
ORIG_PATH_INFO: /perch/core/settings/diagnostics/index.php
SCRIPT_FILENAME: /u/r/resortscomunix/www.[redacted].com/perch/core/settings/diagnostics/index.php
ORIG_SCRIPT_FILENAME: /u/r/resortscomunix/www.[redacted].com/cgi-bin/php
PATH: /usr/local/bin:/usr/bin:/bin
REDIRECT_HANDLER: php-script
REDIRECT_STATUS: 200
UNIQUE_ID: WuDLjXvxfNwgD38Qvw4-wgAAAAk
HTTP_HOST: www.[redacted].com
HTTP_CONNECTION: keep-alive
HTTP_UPGRADE_INSECURE_REQUESTS: 1
HTTP_USER_AGENT: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36
HTTP_ACCEPT: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
HTTP_REFERER: https://www.[redacted].com/perch/core/settings/diagnostics/
HTTP_ACCEPT_ENCODING: gzip, deflate
HTTP_ACCEPT_LANGUAGE: en-US,en;q=0.9,fr-CA;q=0.8,fr;q=0.7,en-CA;q=0.6
HTTP_COOKIE: _ga=GA1.2.1177708364.1520289138; __utmz=163540799.1521839868.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); cmsa=1; _gid=GA1.2.1513198615.1524677445; PHPSESSID=ja6b8ocn9ddga7a05opidsill2
SERVER_SIGNATURE: <address>Apache Server at www.[redacted].com Port 80</address>
SERVER_SOFTWARE: Apache
SERVER_NAME: www.[redacted].com
SERVER_ADDR: 216.201.101.13
SERVER_PORT: 80
REMOTE_ADDR: 76.10.137.10
DOCUMENT_ROOT: /u/r/resortscomunix/www.[redacted].com
REQUEST_SCHEME: http
CONTEXT_PREFIX: /cgi-bin/
CONTEXT_DOCUMENT_ROOT: /u/r/resortscomunix/www.[redacted].com/cgi-bin/
SERVER_ADMIN: [no address given]
REMOTE_PORT: 57002
REDIRECT_URL: /perch/core/settings/diagnostics/index.php
REDIRECT_QUERY_STRING: extended
GATEWAY_INTERFACE: CGI/1.1
SERVER_PROTOCOL: HTTP/1.1
REQUEST_METHOD: GET
QUERY_STRING: extended
REQUEST_URI: /perch/core/settings/diagnostics/?extended
PHP_SELF: /perch/core/settings/diagnostics/index.php
REQUEST_TIME_FLOAT: 1524681613.1684
REQUEST_TIME: 1524681613