Error - this [at-al].single is undefined

gouken

I am using the Zotero 4.0 client from the downloadpage and i installed the Word plugin from there too. I get this Error when trying to insert a bibliography.
I am not allowed to upgrade to 5.0, so is there any solution?

Thanks in Advance for any help!

adamsmith

Continued here: https://forums.zotero.org/discussion/67902/this-and-single-is-undefined-error#latest