diff --git a/doc/csv/error_codes_en_US.csv b/doc/csv/error_codes_en_US.csv
index b64832bf..dd4780fe 100644
--- a/doc/csv/error_codes_en_US.csv
+++ b/doc/csv/error_codes_en_US.csv
@@ -16,6 +16,7 @@
 "15","Travel exceeded","Jog target exceeds machine travel. Jog command has been ignored."
 "16","Invalid jog command","Jog command has no '=' or contains prohibited g-code."
 "17","Setting disabled","Laser mode requires PWM output."
+"18","No Homing/Cycle defined in settings","Set some $homing/CycleX= Settings"
 "20","Unsupported command","Unsupported or invalid g-code command found in block."
 "21","Modal group violation","More than one g-code command from same modal group found in block."
 "22","Undefined feed rate","Feed rate has not yet been set or is undefined."