Update concore_default_maxtime.m

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: pradeeban

concore_default_maxtime.m

@@ -6,7 +6,14 @@ function concore_default_maxtime(default)
         % Safe numeric parsing (replaces unsafe eval)
         clean_str = strtrim(instr);
         clean_str = regexprep(clean_str, '[\[\]]', '');
-        concore.maxtime = sscanf(clean_str, '%f');
+        % Normalize commas to whitespace so sscanf can parse all tokens
+        clean_str = strrep(clean_str, ',', ' ');
+        parsed_values = sscanf(clean_str, '%f');
+        if numel(parsed_values) == 1
+            concore.maxtime = parsed_values;
+        else
+            concore.maxtime = default;
+        end
         fclose(maxfile);
     catch exc 
         concore.maxtime = default;