Index: /issm/trunk/src/m/utils/BC/SetIceSheetBC.m
===================================================================
--- /issm/trunk/src/m/utils/BC/SetIceSheetBC.m	(revision 8319)
+++ /issm/trunk/src/m/utils/BC/SetIceSheetBC.m	(revision 8320)
@@ -31,4 +31,5 @@
 if isnan(md.accumulation_rate),
 	md.accumulation_rate=zeros(md.numberofnodes,1);
+	md.forcing_accumulation=[zeros(md.numberofnodes+1,1)];
 	disp('      no accumulation_rate specified: values set as zero');
 end
Index: /issm/trunk/src/m/utils/BC/SetIceShelfBC.m
===================================================================
--- /issm/trunk/src/m/utils/BC/SetIceShelfBC.m	(revision 8319)
+++ /issm/trunk/src/m/utils/BC/SetIceShelfBC.m	(revision 8320)
@@ -62,4 +62,5 @@
 if isnan(md.accumulation_rate),
 	md.accumulation_rate=zeros(md.numberofnodes,1);
+	md.forcing_accumulation=zeros(md.numberofnodes+1,1);
 	disp('      no accumulation_rate specified: values set as zero');
 end
Index: /issm/trunk/src/m/utils/BC/SetMarineIceSheetBC.m
===================================================================
--- /issm/trunk/src/m/utils/BC/SetMarineIceSheetBC.m	(revision 8319)
+++ /issm/trunk/src/m/utils/BC/SetMarineIceSheetBC.m	(revision 8320)
@@ -72,4 +72,5 @@
 if isnan(md.accumulation_rate),
 	md.accumulation_rate=zeros(md.numberofnodes,1);
+	md.forcing_accumulation=zeros(md.numberofnodes+1,1);
 	disp('      no accumulation_rate specified: values set as zero');
 end