diff -ruN OpenMolcas-v22.06.orig/src/Include/Molcas.fh OpenMolcas-v22.06/src/Include/Molcas.fh
--- OpenMolcas-v22.06.orig/src/Include/Molcas.fh	2023-01-03 08:39:47.368839000 +0100
+++ OpenMolcas-v22.06/src/Include/Molcas.fh	2023-01-03 08:41:44.103750000 +0100
@@ -14,7 +14,7 @@
       Integer, Parameter :: mxroot = 600
       Integer, Parameter :: mxNemoAtom = 200
       Integer, Parameter :: Mxdbsc=1000
-      Integer, Parameter :: MxShll=1000
+      Integer, Parameter :: MxShll=2000
 #else
       Integer, Parameter :: mxAtom = 6
       Integer, Parameter :: mxroot = 2
