I have version 12.9 installed. I’ve managed to upgrade to version 13. Will check the BOM Template if that does the trick. I’ve already read through the BOM template discussion on the form but it didn’t mention that it needed v13 to work. I’ll give it a shot and update you.
[Process Based Manufacturing BOM Templates New Approach - ERPNext / Manufacturing - Discuss Frappe/ERPNext](Process Based Manufacturing BOM Templates New Approach)