MQTT Client -> Exception 9 when reconnecting about umqttbroker HOT 3 OPEN

Exception 9: LoadStoreAlignmentCause: Load or store to an unaligned address
Decoding 18 results
0x40104a44: ets_timer_setfn at ?? line ?
0x4010020c: _umm_free at C:\PROGRAMY\Arduino\hardware\esp8266com\esp8266\cores\esp8266\umm_malloc/umm_malloc.c line 1291
0x40104c70: ets_timer_arm_new at ?? line ?
0x401004f4: calloc at C:\PROGRAMY\Arduino\hardware\esp8266com\esp8266\cores\esp8266\umm_malloc/umm_malloc.c line 1688
0x402198da: MQTT_Connect at C:\PROGRAMY\arduino_projekty\libraries\esp-mqtt-arduino\src\mqtt/mqtt.c line 915
0x40219891: MQTT_Connect at C:\PROGRAMY\arduino_projekty\libraries\esp-mqtt-arduino\src\mqtt/mqtt.c line 901
0x40201340: delay at C:\PROGRAMY\Arduino\hardware\esp8266com\esp8266\cores\esp8266/core_esp8266_wiring.c line 46
0x4020269c: MQTT::connect() at C:\PROGRAMY\arduino_projekty\libraries\esp-mqtt-arduino\src/MQTT.cpp line 198
0x40201f77: myDisconnectedCb() at C:\tmp\arduino_modified_sketch_608881/mqtt_pub.ino line 90
0x4010420a: lmacTxFrame at ?? line ?
0x40203125: mqttDisconnectedCb at C:\PROGRAMY\arduino_projekty\libraries\esp-mqtt-arduino\src/MQTT.cpp line 198
0x40100a91: ppEnqueueRxq at ?? line ?
0x40218f65: mqtt_tcpclient_discon_cb at C:\PROGRAMY\arduino_projekty\libraries\esp-mqtt-arduino\src\mqtt/mqtt.c line 509
0x4022294b: espconn_tcp_disconnect_successful at app/espconn_tcp.c line 384
:  (inlined by) espconn_Task at app/espconn_tcp.c line 439
0x40222958: espconn_tcp_disconnect_successful at app/espconn_tcp.c line 389
:  (inlined by) espconn_Task at app/espconn_tcp.c line 439
0x4010085e: ppProcessTxQ at ?? line ?
0x4021b8a6: ppPeocessRxPktHdr at ?? line ?

if (mqttClientCon == NULL) return;

os_timer_disarm(&mqttClientCon->mqttTimer);

if (mqttClientCon->pCon != NULL) {
     mqttClientCon->connState = TCP_DISCONNECTING;
      espconn_delete(mqttClientCon->pCon);
  }