maneko

Block Designer Proで作成中のエラー

お世話になっております。
5.7でサイト構築するにあたり、初めてBlock Designer とProを導入しました。
Block info、Fieldsを入力してMake the block!を押すと添付のようなエラーが表示します。
最初、アイコン画像をjpgのものを選択してしまったのが原因かと思い、
何も選択しない状態にしたり、icon.pngに変更したのですが変わらず。
ブロックのハンドルネームを変更してもダメでした。
何かおわかりの方がいらっしゃいましたらご教示ください。

（以下、開発中につき、テーマ名を書き換えてます）
# concrete5 Version
Core Version - 5.7.5.6
Version Installed - 5.7.5.6
Database Version - 20151221000000

# concrete5 Packages
Block Designer (2.1.2), Block Designer Pro (2.1.0), Form - MailChimp Subscribe (1.0.1), Manual Nav (2.0.0), Mautic (0.9.1), Noindex Before Launch (1.1), Quick Tabs (1.0), Stucco (1.1.1).

# concrete5 Overrides
blocks/search/templates/ab_header_search/view.php, blocks/search/templates/ab_header_search/view.css, blocks/search/templates/ab_header_search, blocks/search/templates, blocks/search, blocks/header_mega_menu, blocks/share_this_page/templates/footer-sns/view.php, blocks/share_this_page/templates/footer-sns/view.css, blocks/share_this_page/templates/footer-sns, blocks/share_this_page/templates, blocks/share_this_page, blocks/autonav/templates/ab_footer_menu/view.php, blocks/autonav/templates/ab_footer_menu/view.css, blocks/autonav/templates/ab_footer_menu, blocks/autonav/templates, blocks/autonav, blocks/content/templates/top_chumoku_kiji/controller.php, blocks/content/templates/top_chumoku_kiji/view.php, blocks/content/templates/top_chumoku_kiji, blocks/content/templates/top_service_cards/view.php, blocks/content/templates/top_service_cards, blocks/content/templates/top_torikumi/controller.php, blocks/content/templates/top_torikumi/view.php, blocks/content/templates/top_torikumi, blocks/content/templates, blocks/content, controllers/single_page/register.php, controllers/single_page, css/font-awesome.css, css/fonts/fontawesome-webfont.woff2, css/fonts/fontawesome-webfont.svg, css/fonts/fontawesome-webfont.woff, css/fonts/FontAwesome.otf, css/fonts/fontawesome-webfont.ttf, css/fonts/fontawesome-webfont.eot, css/fonts, languages/pl_PL/LC_MESSAGES/messages.mo, languages/pl_PL/LC_MESSAGES, languages/pl_PL, languages/da_DK/LC_MESSAGES/messages.mo, languages/da_DK/LC_MESSAGES, languages/da_DK, languages/es_PY/LC_MESSAGES/messages.mo, languages/es_PY/LC_MESSAGES, languages/es_PY, languages/de_DE/LC_MESSAGES/messages.mo, languages/de_DE/LC_MESSAGES, languages/de_DE, languages/tr_TR/LC_MESSAGES/messages.mo, languages/tr_TR/LC_MESSAGES, languages/tr_TR, languages/ja_JP/LC_MESSAGES/messages.mo, languages/ja_JP/LC_MESSAGES, languages/ja_JP, languages/nl_NL/LC_MESSAGES/messages.mo, languages/nl_NL/LC_MESSAGES, languages/nl_NL, languages/fi_FI/LC_MESSAGES/messages.mo, languages/fi_FI/LC_MESSAGES, languages/fi_FI, languages/it_IT/LC_MESSAGES/messages.mo, languages/it_IT/LC_MESSAGES, languages/it_IT, languages/nb_NO/LC_MESSAGES/messages.mo, languages/nb_NO/LC_MESSAGES, languages/nb_NO, languages/fr_FR/LC_MESSAGES/messages.mo, languages/fr_FR/LC_MESSAGES, languages/fr_FR, languages/pt_BR/LC_MESSAGES/messages.mo, languages/pt_BR/LC_MESSAGES, languages/pt_BR, languages/ru_RU/LC_MESSAGES/messages.mo, languages/ru_RU/LC_MESSAGES, languages/ru_RU, languages/el_GR/LC_MESSAGES/messages.mo, languages/el_GR/LC_MESSAGES, languages/el_GR, languages/sv_SE/LC_MESSAGES/messages.mo, languages/sv_SE/LC_MESSAGES, languages/sv_SE, single_pages/register.php, themes/@test-theme, themes/testtheme/js/vendor/modernizr-2.8.3-respond-1.4.2.min.js, themes/testtheme/js/vendor, themes/testtheme/js/main.js, themes/testtheme/js, themes/testtheme/page_not_found.php, themes/testtheme/left_sidebar.php, themes/testtheme/page_theme.php, themes/testtheme/blank.php, themes/testtheme/view.php, themes/testtheme/thumbnail.png, themes/testtheme/images/top-service-3.png, themes/testtheme/images/no-image.jpg, themes/testtheme/images/top-service-1.png, themes/testtheme/images/top-service-4.png, themes/testtheme/images/top-service-kiji.png, themes/testtheme/images/sample-photo-tree.jpg, themes/testtheme/images/top-service-2.png, themes/testtheme/images/sample-photo-tablet.jpg, themes/testtheme/images/top-service-cart.png, themes/testtheme/images/test_logo.gif, themes/testtheme/images/test_group_logo.png, themes/testtheme/images, themes/testtheme/inc/header_top.php, themes/testtheme/inc/header.php, themes/testtheme/inc/footer.php, themes/testtheme/inc, themes/testtheme/page_forbidden.php, themes/testtheme/full.php, themes/testtheme/default.php, themes/testtheme/home.php, themes/testtheme/fonts/fontawesome-webfont.woff2, themes/testtheme/fonts/fontawesome-webfont.svg, themes/testtheme/fonts/fontawesome-webfont.woff, themes/testtheme/fonts/glyphicons-halflings-regular.svg, themes/testtheme/fonts/glyphicons-halflings-regular.woff, themes/testtheme/fonts/FontAwesome.otf, themes/testtheme/fonts/fontawesome-webfont.ttf, themes/testtheme/fonts/fontawesome-webfont.eot, themes/testtheme/fonts/glyphicons-halflings-regular.ttf, themes/testtheme/fonts/glyphicons-halflings-regular.eot, themes/testtheme/fonts, themes/testtheme/right_sidebar.php, themes/testtheme/description.txt, themes/testtheme/css/common-sp.css, themes/testtheme/css/toppage.css, themes/testtheme/css/common.css, themes/testtheme/css/toppage-sp.css, themes/testtheme/css/bootstrap.css, themes/testtheme/css, themes/testtheme, src/Editor/RedactorEditor.php, src/Editor, blocks/search/templates/ab_header_search/view.php, blocks/search/templates/ab_header_search/view.css, blocks/search/templates/ab_header_search, blocks/search/templates, blocks/search, blocks/header_mega_menu, blocks/share_this_page/templates/footer-sns/view.php, blocks/share_this_page/templates/footer-sns/view.css, blocks/share_this_page/templates/footer-sns, blocks/share_this_page/templates, blocks/share_this_page, blocks/autonav/templates/ab_footer_menu/view.php, blocks/autonav/templates/ab_footer_menu/view.css, blocks/autonav/templates/ab_footer_menu, blocks/autonav/templates, blocks/autonav, blocks/content/templates/top_chumoku_kiji/controller.php, blocks/content/templates/top_chumoku_kiji/view.php, blocks/content/templates/top_chumoku_kiji, blocks/content/templates/top_service_cards/view.php, blocks/content/templates/top_service_cards, blocks/content/templates/top_torikumi/controller.php, blocks/content/templates/top_torikumi/view.php, blocks/content/templates/top_torikumi, blocks/content/templates, blocks/content, controllers/single_page/register.php, controllers/single_page, css/font-awesome.css, css/fonts/fontawesome-webfont.woff2, css/fonts/fontawesome-webfont.svg, css/fonts/fontawesome-webfont.woff, css/fonts/FontAwesome.otf, css/fonts/fontawesome-webfont.ttf, css/fonts/fontawesome-webfont.eot, css/fonts, languages/pl_PL/LC_MESSAGES/messages.mo, languages/pl_PL/LC_MESSAGES, languages/pl_PL, languages/da_DK/LC_MESSAGES/messages.mo, languages/da_DK/LC_MESSAGES, languages/da_DK, languages/es_PY/LC_MESSAGES/messages.mo, languages/es_PY/LC_MESSAGES, languages/es_PY, languages/de_DE/LC_MESSAGES/messages.mo, languages/de_DE/LC_MESSAGES, languages/de_DE, languages/tr_TR/LC_MESSAGES/messages.mo, languages/tr_TR/LC_MESSAGES, languages/tr_TR, languages/ja_JP/LC_MESSAGES/messages.mo, languages/ja_JP/LC_MESSAGES, languages/ja_JP, languages/nl_NL/LC_MESSAGES/messages.mo, languages/nl_NL/LC_MESSAGES, languages/nl_NL, languages/fi_FI/LC_MESSAGES/messages.mo, languages/fi_FI/LC_MESSAGES, languages/fi_FI, languages/it_IT/LC_MESSAGES/messages.mo, languages/it_IT/LC_MESSAGES, languages/it_IT, languages/nb_NO/LC_MESSAGES/messages.mo, languages/nb_NO/LC_MESSAGES, languages/nb_NO, languages/fr_FR/LC_MESSAGES/messages.mo, languages/fr_FR/LC_MESSAGES, languages/fr_FR, languages/pt_BR/LC_MESSAGES/messages.mo, languages/pt_BR/LC_MESSAGES, languages/pt_BR, languages/ru_RU/LC_MESSAGES/messages.mo, languages/ru_RU/LC_MESSAGES, languages/ru_RU, languages/el_GR/LC_MESSAGES/messages.mo, languages/el_GR/LC_MESSAGES, languages/el_GR, languages/sv_SE/LC_MESSAGES/messages.mo, languages/sv_SE/LC_MESSAGES, languages/sv_SE, single_pages/register.php, themes/@test-theme, themes/testtheme/js/vendor/modernizr-2.8.3-respond-1.4.2.min.js, themes/testtheme/js/vendor, themes/testtheme/js/main.js, themes/testtheme/js, themes/testtheme/page_not_found.php, themes/testtheme/left_sidebar.php, themes/testtheme/page_theme.php, themes/testtheme/blank.php, themes/testtheme/view.php, themes/testtheme/thumbnail.png, themes/testtheme/images/top-service-3.png, themes/testtheme/images/no-image.jpg, themes/testtheme/images/top-service-1.png, themes/testtheme/images/top-service-4.png, themes/testtheme/images/top-service-kiji.png, themes/testtheme/images/sample-photo-tree.jpg, themes/testtheme/images/top-service-2.png, themes/testtheme/images/sample-photo-tablet.jpg, themes/testtheme/images/top-service-cart.png, themes/testtheme/images/test_logo.gif, themes/testtheme/images/test_group_logo.png, themes/testtheme/images, themes/testtheme/inc/header_top.php, themes/testtheme/inc/header.php, themes/testtheme/inc/footer.php, themes/testtheme/inc, themes/testtheme/page_forbidden.php, themes/testtheme/full.php, themes/testtheme/default.php, themes/testtheme/home.php, themes/testtheme/fonts/fontawesome-webfont.woff2, themes/testtheme/fonts/fontawesome-webfont.svg, themes/testtheme/fonts/fontawesome-webfont.woff, themes/testtheme/fonts/glyphicons-halflings-regular.svg, themes/testtheme/fonts/glyphicons-halflings-regular.woff, themes/testtheme/fonts/FontAwesome.otf, themes/testtheme/fonts/fontawesome-webfont.ttf, themes/testtheme/fonts/fontawesome-webfont.eot, themes/testtheme/fonts/glyphicons-halflings-regular.ttf, themes/testtheme/fonts/glyphicons-halflings-regular.eot, themes/testtheme/fonts, themes/testtheme/right_sidebar.php, themes/testtheme/description.txt, themes/testtheme/css/common-sp.css, themes/testtheme/css/toppage.css, themes/testtheme/css/common.css, themes/testtheme/css/toppage-sp.css, themes/testtheme/css/bootstrap.css, themes/testtheme/css, themes/testtheme, src/Editor/RedactorEditor.php, src/Editor

# concrete5 Cache Settings
Block Cache - Off
Overrides Cache - Off
Full Page Caching - Off
Full Page Cache Lifetime - Every 6 hours (default setting).

# Server Software
Apache/2.2.15 (CentOS)

# Server API
apache2handler

# PHP Version
5.6.19

# PHP Extensions
apache2handler, bz2, calendar, Core, ctype, curl, date, dom, ereg, exif, fileinfo, filter, ftp, gd, gettext, hash, iconv, json, libxml, mbstring, mcrypt, mhash, mysql, mysqli, mysqlnd, openssl, pcre, PDO, pdo_mysql, pdo_sqlite, Phar, Reflection, session, SimpleXML, sockets, SPL, sqlite3, standard, tokenizer, wddx, xml, xmlreader, xmlwriter, xsl, zip, zlib.

# PHP Settings
max_execution_time - 30
log_errors_max_len - 1024
max_file_uploads - 20
max_input_nesting_level - 64
max_input_time - 60
max_input_vars - 1000
memory_limit - 128M
post_max_size - 20M
sql.safe_mode - Off
upload_max_filesize - 20M
mysql.max_links - Unlimited
mysql.max_persistent - Unlimited
mysqli.max_links - Unlimited
mysqli.max_persistent - Unlimited
pcre.backtrack_limit - 1000000
pcre.recursion_limit - 100000
session.cache_limiter - no value
session.gc_maxlifetime - 1440