In the latest deepl mtl I found in map "Monastery" the plugin command with spaces:
ICS_レシピ追加 Low grade cure stone
I have used these commands in map id 131 "Monastery":
ICS_ADD_RECIPE ITEM 2
ICS_ADD_RECIPE ITEM 3
ICS_ADD_RECIPE ITEM 97
ICS_ADD_RECIPE ITEM 98
ICS_ADD_RECIPE ITEM 122
ICS_ADD_RECIPE ITEM 372
ICS_レシピ追加 Low grade cure stone
I have used these commands in map id 131 "Monastery":
ICS_ADD_RECIPE ITEM 2
ICS_ADD_RECIPE ITEM 3
ICS_ADD_RECIPE ITEM 97
ICS_ADD_RECIPE ITEM 98
ICS_ADD_RECIPE ITEM 122
ICS_ADD_RECIPE ITEM 372