Page attributes does'nt show for edit on page

Permalink 0 0 Browser Info Environment
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

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
Apache/2.4

# Server API
cgi-fcgi

# PHP Version
7.2.16

# 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

Browser User-Agent String

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