A ^FD/^FV field is open when the next field, ^XA/^XZ or the end of the document arrives. The preview still draws the text, but real printers read field data up to ^FS and may swallow the following commands as data.
^XA^FO50,50^A0N,40^FDHELLO^XZFinding: ZPL2001 · line 1:19 — ^FD field data is not terminated with ^FS; real printers may misread the commands that follow
Open the broken label in the editor →
Close every field with ^FS. The quick-fix inserts it right after the open field's data.
^XA^FO50,50^A0N,40^FDHELLO^FS^XZOpen the corrected label in the editor
ZPL2002 Field without a position · ZPL2003 Stored format has no ^FN fields
npx labelixa validate "labels/**/*.zpl" lints your files and prints this page's address next to each finding. /docs/cli