@@ -, +, @@ 
 now that AddBiblio and ModBibilio will set it no matter what
---
 .../marcflavour/marc21/mandatory/marc21_framework_DEFAULT.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/installer/data/mysql/en/marcflavour/marc21/mandatory/marc21_framework_DEFAULT.yml	
+++ a/installer/data/mysql/en/marcflavour/marc21/mandatory/marc21_framework_DEFAULT.yml	
@@ -1026,7 +1026,7 @@ tables:
           liblibrarian: "DATE AND TIME OF LATEST TRANSACTION"
           libopac: "DATE AND TIME OF LATEST TRANSACTION"
           repeatable: 0
-          mandatory: 1
+          mandatory: 0
           authorised_value: ""
           frameworkcode: ""
 
@@ -3885,7 +3885,7 @@ tables:
           liblibrarian: "control field"
           libopac: "control field"
           repeatable: 0
-          mandatory: 1
+          mandatory: 0
           kohafield: ""
           tab: 0
           authorised_value: ""
--