diff --git a/public/include/config/error_codes.inc.php b/public/include/config/error_codes.inc.php
index 80078f3d..1c5eee85 100644
--- a/public/include/config/error_codes.inc.php
+++ b/public/include/config/error_codes.inc.php
@@ -69,4 +69,6 @@ $aErrorCodes['E0062'] = 'Block has no share_id, not running payouts';
 $aErrorCodes['E0063'] = 'Upstream share already assigned to previous block';
 $aErrorCodes['E0064'] = 'Failed to create transaction record';
 $aErrorCodes['E0065'] = 'Remaining balance is greater than 0';
+$aErrorCodes['E0072'] = 'Worker names must be alphanumeric';
+$aErrorCodes['E0073'] = 'Worker name is too long; try entering a shorter name'
 ?>