Nextcloud Office is not working for new files or saving old files

after Updating the richdocuments app, new files are not found and old files could only be opened but not be saved.

The Error whis is displayed is: Uncaught TypeError: sheets[i].href is null



NC-Version: 25.0.2
Collabora Online - Built-in CODE Server: 22.5.802
Nextcloud Office: 7.0.2

PHP-Version: 8.0.14
Erweiterungen: Core, date, libxml, openssl, pcre, zlib, filter, hash, json, Reflection, SPL, session, standard, sodium, cgi-fcgi, mysqlnd, PDO, xml, apcu, bcmath, bz2, calendar, ctype, curl, dom, mbstring, FFI, fileinfo, ftp, gd, gettext, gmp, iconv, igbinary, imagick, intl, ldap, exif, mysqli, pdo_mysql, Phar, posix, readline, redis, shmop, SimpleXML, smbclient, sockets, sysvmsg, sysvsem, sysvshm, tokenizer, xmlreader, xmlwriter, xsl, zip, libsmbclient, Zend OPcache

Does someone had the same problem or could help me to solve it? Thank you very much.