Index: /issm/trunk-jpl/test/NightlyRun/test257.m
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test257.m	(revision 26608)
+++ /issm/trunk-jpl/test/NightlyRun/test257.m	(revision 26609)
@@ -49,4 +49,5 @@
 md.stochasticforcing.isstochasticforcing = 1;
 md.stochasticforcing.fields              = [{'SMBautoregression'}];
+md.stochasticforcing.dimensions          = [md.smb.num_basins]; %dimension of each field
 md.stochasticforcing.covariance          = [[0.15 0.08 -0.02];[0.08 0.12 -0.05];[-0.02 -0.05 0.1]]; %global covariance among- and between-fields
 md.stochasticforcing.randomflag          = 0; %fixed random seeds