triggers Perl to autovivify that typeglob, but it there is no legal conversion
from that type of reference to a typeglob.
+=item Cannot copy to %s in %s
+
+(P) Perl detected an attempt to copy a value to an internal type that cannot
+be directly assigned not.
+
=item Can only compress unsigned integers in pack
(F) An argument to pack("w",...) was not an integer. The BER compressed