The purpose of this commit is to remove the menu for the snailmail letters in accounting. They are accessible from technical settings since53cdd68e7cIn addition, since8f486db52d, the error management has been improved. So this commit makes all the fields in form view editable. Task-ID : 1947066 closes odoo/odoo#32294 Signed-off-by: Pierre Rousseau (pro) <pro@odoo.com>