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

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Hi,
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

https://XXXXX/apps/richdocumentscode/proxy.php?req=/browser/a4b9c74/cool.html?WOPISrc=https://XXXXX/index.php/apps/richdocuments/wopi/files/84876_oc3k8latck63&title=test.docx&lang=de&closebutton=1&revisionhistory=1:269

proxy.php:269:12063

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.