@@ -54,7 +54,7 @@ int get_username_domain(struct sip_msg *msg, group_check_p gcp,

 {

 	struct sip_uri puri;

 	struct sip_uri *turi;

-	struct hdr_field* h;

+	struct hdr_field* h = 0;

 	struct auth_body* c = 0;

 	pv_value_t value;

@@ -89,15 +89,20 @@ int get_username_domain(struct sip_msg *msg, group_check_p gcp,

 				get_authorized_cred( msg->proxy_auth, &h);

 				if (!h) {

 					LM_ERR("no authorized credentials found "

-							"(error in scripts)\n");

+							"(error in script)\n");

 					return -1;

 				}

 			}

+			if(!h->parsed) {

+				LM_ERR("no parsed authorized credentials found "

+						"(error in script)\n");

+				return -1;

+			}

 			c = (auth_body_t*)(h->parsed);

 			break;

 		case 5: /* AVP spec */

-			if(pv_get_spec_value( msg, &gcp->sp, &value)!=0 

+			if(pv_get_spec_value( msg, &gcp->sp, &value)!=0

 				|| value.flags&PV_VAL_NULL || value.rs.len<=0)

 			{

 				LM_ERR("no AVP found (error in scripts)\n");