[orca-list] orca getting stuck or missing lines in libreoffice writer

[Keith Barrett <lists barrettpianos co uk>]

Is this a known issue and is there a work around?

Debian sid libreoffice writer 6.0.

in a document with more than 6 pages, when arrowing through the 
document, some lines are not announced and eventually, speech stops 
responding in a whole section.  This does not happen in short documents.

Thanks

Keith