If you want to keep that node version, then you can simply replace the old multiple-select.js
v1.4.2 file with a v1.5.2 version and restart node-red. See the documented workaround: in this thread
If you want to keep that node version, then you can simply replace the old multiple-select.js
v1.4.2 file with a v1.5.2 version and restart node-red. See the documented workaround: in this thread