How to make a doctype readonly except one field

[amal_31845]

How to make a doctype readonly except one field each during workflow states

[NCP]

Already shared it in your previous post.

Erpnext custom doctype

Please add eval. eval: doc.custom_approval_status == "Pending Approval" || doc.custom_approval_status == "Account Manager Approved" || doc.custom_approval_status == "Customer Support Approved" || doc.custom_approval_status == "Production Approved" || doc.custom_approval_status == "Approved"