diff --git a/cmd/cgr-engine/cgr-engine.go b/cmd/cgr-engine/cgr-engine.go
index 3118a9166..1625f2ba8 100644
--- a/cmd/cgr-engine/cgr-engine.go
+++ b/cmd/cgr-engine/cgr-engine.go
@@ -22,7 +22,6 @@ import (
 	"fmt"
 	"log"
 	"log/syslog"
-	//	_ "net/http/pprof"
 	"os"
 	"runtime"
 	"runtime/pprof"
@@ -621,9 +620,9 @@ func main() {
 		if err != nil {
 			log.Fatal(err)
 		}
+		defer f.Close()
 		pprof.StartCPUProfile(f)
 		defer pprof.StopCPUProfile()
-
 	}
 	if *scheduledShutdown != "" {
 		shutdownDur, err := utils.ParseDurationWithSecs(*scheduledShutdown)
diff --git a/engine/account.go b/engine/account.go
index 25b75ce80..1570272e9 100644
--- a/engine/account.go
+++ b/engine/account.go
@@ -505,7 +505,7 @@ func (ub *Account) debitCreditBalance(cd *CallDescriptor, count bool, dryRun boo
 		// get the default money balanance
 		// and go negative on it with the amount still unpaid
 		if len(leftCC.Timespans) > 0 && leftCC.Cost > 0 && !ub.AllowNegative && !dryRun {
-			utils.Logger.Err(fmt.Sprintf("<Rater> Going negative on account %s with AllowNegative: false", cd.GetAccountKey()))
+			utils.Logger.Warning(fmt.Sprintf("<Rater> Going negative on account %s with AllowNegative: false", cd.GetAccountKey()))
 		}
 		leftCC.Timespans.Decompress()
 		for tsIndex, ts := range leftCC.Timespans {
diff --git a/engine/balances.go b/engine/balances.go
index c9a8d8592..ff6b85c63 100644
--- a/engine/balances.go
+++ b/engine/balances.go
@@ -483,7 +483,7 @@ func (b *Balance) debitUnits(cd *CallDescriptor, ub *Account, moneyBalances Bala
 					}
 				}
 				if cost != 0 && moneyBal == nil && (!dryRun || ub.AllowNegative) { // Fix for issue #685
-					utils.Logger.Err(fmt.Sprintf("<RALs> Going negative on account %s with AllowNegative: false", cd.GetAccountKey()))
+					utils.Logger.Warning(fmt.Sprintf("<RALs> Going negative on account %s with AllowNegative: false", cd.GetAccountKey()))
 					moneyBal = ub.GetDefaultMoneyBalance()
 				}
 				if (cost == 0 || moneyBal != nil) && b.GetValue() >= amount {