Index: runs.scm
==================================================================
--- runs.scm
+++ runs.scm
@@ -350,15 +350,14 @@
 
   (if (runs:dat-load-mgmt-function runsdat)((runs:dat-load-mgmt-function runsdat)))
 
   (let* ((num-running             (rmt:get-count-tests-running run-id)) 
 	 (num-running-in-jobgroup (rmt:get-count-tests-running-in-jobgroup run-id jobgroup))
-	 (job-group-limit         (let ((jobg-count (configf:lookup *configdat* "jobgroups" jobgroup)))
-				    (if (string? jobg-count)
-					(string->number jobg-count)
-					jobg-count))))
-    (if (> (+ num-running num-running-in-jobgroup) 0)
+	 (job-group-limit         (configf:lookup-number *configdat* "jobgroups" jobgroup)))
+    (if (and (number? num-running)                   ;; checking for number - had a crash where a non-number was returned. Not sure why.
+	     (number? num-running-in-jobgroup)       ;; probably can remove this when rmt switches away from http.
+	     (> (+ num-running num-running-in-jobgroup) 0))
 	(runs:inc-can-run-more-tests-count runsdat)) ;; (set! *runs:can-run-more-tests-count* (+ *runs:can-run-more-tests-count* 1)))
     (if (not (eq? *last-num-running-tests* num-running))
 	(begin
 	  (debug:print 2 *default-log-port* "max-concurrent-jobs: " max-concurrent-jobs ", num-running: " num-running)
 	  (set! *last-num-running-tests* num-running)))