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# Less Frequently Asked Questions


## T150-tagging.sh is failing with Xapian 1.4.6

This is (probably) a bug in this point release of Xapian, should be
fixed in 1.4.7.  Try reverting Xapian commit
`093999529acc2f86900d91fed0c7f7af301ab94a`, e.g. with the following
patch.


    index 80e578b85..a47f14a68 100644
    --- a/xapian-core/backends/glass/glass_postlist.cc
    +++ b/xapian-core/backends/glass/glass_postlist.cc
    @@ -759,7 +759,7 @@ GlassPostList::open_nearby_postlist(const std::string & term_,
         (void)need_pos;
         if (term_.empty())
            RETURN(NULL);
    -    if (!this_db.get() || this_db->postlist_table.is_modified())
    +    if (!this_db.get() || this_db->postlist_table.is_writable())
            RETURN(NULL);
         RETURN(new GlassPostList(this_db, term_, cursor->clone()));
     }