Better error message

scripts/cron/cron_run_jobs.php

@@ -157,7 +157,8 @@ if(is_array($object->lines) && (count($object->lines)>0))
 			$result=$cronjob->fetch($line->id);
 			if ($result<0) 
 			{
-				echo "Error cronjob->fetch: ".$cronjob->error;
+				echo "Error cronjob->fetch: ".$cronjob->error."\n";
+				echo "Failed to fetch job ".$line->id."\n";
 				dol_syslog("cron_run_jobs.php::fetch Error ".$cronjob->error, LOG_ERR);
 				exit(-1);
 			}
@@ -165,7 +166,9 @@ if(is_array($object->lines) && (count($object->lines)>0))
 			$result=$cronjob->run_jobs($userlogin);
 			if ($result<0) 
 			{
-				echo "Error cronjob->run_job: ".$cronjob->error;
+				echo "Error cronjob->run_job: ".$cronjob->error."\n";
+				echo "At least one job failed. Go on menu Home-Setup-Admin tools to see result for each job.\n";
+				echo "You can also enable module Log if not yet enabled, run again and take a look into dolibarr.log file\n";
 				dol_syslog("cron_run_jobs.php::run_jobs Error ".$cronjob->error, LOG_ERR);
 				exit(-1);
 			}
@@ -174,7 +177,8 @@ if(is_array($object->lines) && (count($object->lines)>0))
 			$result=$cronjob->reprogram_jobs($userlogin, $now);
 			if ($result<0) 
 			{
-				echo "Error cronjob->reprogram_job: ".$cronjob->error;
+				echo "Error cronjob->reprogram_job: ".$cronjob->error."\n";
+				echo "Enable module Log if not yet enabled, run again and take a look into dolibarr.log file\n";
 				dol_syslog("cron_run_jobs.php::reprogram_jobs Error ".$cronjob->error, LOG_ERR);
 				exit(-1);
 			}