| ERROR | property string is reserved, names with MGWPROP$_ prefix are not valid |
| CAUSE | An attempt was made to specify a reserved name for a property name. |
| ACTION | Use a non-reserved name. |
| ERROR | property string is reserved, names with MGWPROP$_ prefix are not valid |
| CAUSE | An attempt was made to specify a reserved name for a property name. |
| ACTION | Use a non-reserved name. |