Error using latest release with WPglobulus extension

we are running wp 5.1.8 with php 5.4.16 wpglobulus 2.5.18 and when we activate zotpress 7.2 (since last update, no problem before) we get the following error in the navigator :
`TypeError: wp.blockEditor is undefined
ZotpressBibButton https://www.xxx.net/wp-content/plugins/zotpress/js/zotpress.gutenberg.min.js?ver=5.1.8:1
ph https://www.xxxx.net/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:97
eg https://www.xxxx.net/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:125
fg https://www.xxx.net/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:126
wc https://www.xxxx.net/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:138
fa https://www.xxxx.net/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:137
ng https://www.xxx.net/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:149
Se https://www.xxxx.net/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:40