diff --git a/scriptcontext.c b/scriptcontext.c
index 349698c6..59d62f1f 100644
--- a/scriptcontext.c
+++ b/scriptcontext.c
@@ -555,12 +555,15 @@ int SctAddPollNode(SctController *controller, Hdb *node, double interval,
                     DevPrio prio, char *action) {
   SctData *data;
   hdbCallback *cb;
+  char nodePath[512], info[1024];
   
   if (! FindHdbCallbackData(node, controller)) {
     cb = MakeHipadabaCallback(SctMainCallback, controller, NULL);
     assert(cb);
     AppendHipadabaCallback(node, cb);
-    SetHdbProperty(node,"geterror","Not read yet");
+    GetHdbPath(node, nodePath, sizeof nodePath);
+    snprintf(info, 1023, "%s: Not read yet", nodePath);
+    SetHdbProperty(node,"geterror",info);
   }
 
   data = calloc(1, sizeof(*data));
diff --git a/site_ansto/instrument/config/motors/sct_positmotor_common.tcl b/site_ansto/instrument/config/motors/sct_positmotor_common.tcl
index e89bff29..3c81b0fe 100644
--- a/site_ansto/instrument/config/motors/sct_positmotor_common.tcl
+++ b/site_ansto/instrument/config/motors/sct_positmotor_common.tcl
@@ -106,7 +106,7 @@ proc ::scobj::positmotor::mot2ID {mot precision table} {
     set iprev $i
     set mprev $m
   }
-  return -code error "lookup failed"
+  return -code error "positmotor [sct] table lookup failed for position $mot. Table range = $firstMot to $lastMot"
 }
 
 namespace import ::scobj::positmotor::*