From 7f4d0e42debf03fb6ac9dddab0ab8fa5690a737e Mon Sep 17 00:00:00 2001
From: DanB <danb@cgrates.org>
Date: Sun, 26 Aug 2018 12:20:42 +0200
Subject: [PATCH] CDRs V2ProcessCDR failing over V1ProcessCDR when no ChargerS
 defined, to manintain backwards compatibility with old DerivedChargers

---
 engine/cdrs.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/engine/cdrs.go b/engine/cdrs.go
index 7fc55ca60..0d12d51be 100644
--- a/engine/cdrs.go
+++ b/engine/cdrs.go
@@ -749,6 +749,9 @@ func (cdrS *CdrServer) V2ProcessCDR(cgrEv *utils.CGREvent, reply *string) (err e
 	if err != nil {
 		return utils.NewErrServerError(err)
 	}
+	if cdrS.chargerS == nil { // backwards compatibility for DerivedChargers
+		return cdrS.V1ProcessCDR(rawCDR, reply)
+	}
 	if cdrS.cgrCfg.CDRSStoreCdrs { // Store *raw CDR
 		if err = cdrS.cdrDb.SetCDR(rawCDR, false); err != nil {
 			return utils.NewErrServerError(err) // Cannot store CDR