Page attributes does'nt show for edit on page

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The page attributes cannot be changed on the page ( Gear wheel -> Attributes). If you select one for edit nothing shows up. The page stays blank and no fields appear.
Editing attributes thourgh the sitemap works.

Status: New
mbimedia replied on at Permalink Reply 1 Attachment
Not sure when it started but can't access Attributes from Sitemap view or through Page Settings. It was mentioned to try and switch from Custom Theme to Elemental Theme to see if they show up. My concern though is, wouldn't that change the Production Site Theme immediately? Don't want visitors to all of a sudden see a completely different site.

concrete5 Environment Information

# concrete5 Version
Core Version - 8.5.0
Version Installed - 8.5.0
Database Version - 20190301133300

# concrete5 Packages
Migration Tool (0.9.0), Page Redirect (2.0), Thumb Gallery (1.0.3)

# concrete5 Overrides
themes/sonjareichmut/full.php, themes/sonjareichmut/default.php, themes/sonjareichmut/view.php, themes/sonjareichmut/blog_entry.php, themes/sonjareichmut/main.css, themes/sonjareichmut/index.html, themes/sonjareichmut/left_sidebar.php, themes/sonjareichmut/typography.css, themes/sonjareichmut/description.txt, themes/sonjareichmut/thumbnail.png, themes/sonjareichmut/images/bg_main_nav_hoover.png, themes/sonjareichmut/images/icon_email.png, themes/sonjareichmut/images/Thumbs.db, themes/sonjareichmut/images/icon_facebook.png, themes/sonjareichmut/images/icon_twitter.png, themes/sonjareichmut/images/bg_link.png, themes/sonjareichmut/images/bg_left_nav_hoover.png, themes/sonjareichmut/images/background.jpg, themes/sonjareichmut/images, themes/sonjareichmut/elements/footer.php, themes/sonjareichmut/elements/header.php, themes/sonjareichmut/elements/blog_header.php, themes/sonjareichmut/elements, themes/sonjareichmut/css/text.css, themes/sonjareichmut/css/reset.css, themes/sonjareichmut/css/960_24_col.css, themes/sonjareichmut/css, themes/sonjareichmut

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

# Server Software

# Server API

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# PHP Extensions
apcu, bcmath, bz2, calendar, cgi-fcgi, Core, ctype, curl, date, dba, dom, exif, fileinfo, filter, ftp, gd, geoip, gettext, gmp, gnupg, hash, iconv, imagick, imap, intl, jsmin, json, ldap, libxml, mailparse, mbstring, mcrypt, mongodb, mysqli, mysqlnd, odbc, openssl, pcntl, pcre, PDFlib, PDO, pdo_dblib, pdo_mysql, pdo_pgsql, pdo_sqlite, pgsql, Phar, posix, pspell, readline, recode, Reflection, scrypt, session, SimpleXML, snmp, soap, sockets, sodium, SPL, sqlite3, ssh2, standard, sysvmsg, sysvsem, sysvshm, tidy, tokenizer, wddx, xml, xmlreader, xmlrpc, xmlwriter, xsl, yaml, Zend OPcache, 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 - 16M
upload_max_filesize - 16M
ldap.max_links - Unlimited
mysqli.max_links - Unlimited
mysqli.max_persistent - Unlimited
odbc.max_links - Unlimited
odbc.max_persistent - Unlimited
pcre.backtrack_limit - 1000000
pcre.recursion_limit - 100000
pgsql.max_links - Unlimited
pgsql.max_persistent - Unlimited
session.cache_limiter - <i>no value</i>
session.gc_maxlifetime - 7200
soap.wsdl_cache_limit - 5
opcache.max_accelerated_files - 4000
opcache.max_file_size - 0
opcache.max_wasted_percentage - 5

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Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:66.0) Gecko/20100101 Firefox/66.0