It appears that an array I created as more elements than its dimensions would allow.
AFL% show(pc_1); schema "not empty pc_1<multiply:double> [stem=0:247731,52,0,eig=0:98,50,0]" AFL% count(pc_1); count 24707694
the number of elements I would expect to be present based on the dimensions is 247732 * 99 = 24525468
I generated the matrix above by doing matrix multiply:
AFL% show(articleStem_1); schema "articleStem_1<count:double> [stem=0:247731,52,0,article=0:19176,19177,0]" AFL% show(eigVect_1); schema "eigVect_1<value:double> [article=0:19176,19177,0,eig=0:98,50,0]" store(multiply(articleStem_1, eigVect_1, 'dense'), pc_1)
Edit: added “than” to title to fix