MQTT Connect Guru Meditation Error: Core 0 panic'ed (LoadProhibited). Exception was unhandled.

[Heusini]

I enabled the MQTT feature in the esp32 Firmware and flashed it to my particle argon.
The problem now is when i want to connect with the MQTT AT-Command the esp32 panics.
Maybe you can help me debug this problem.

MQTT Command i send:

AT+MQTTCONN=0,"192.168.0.118",1883,0\r\n

ESP32 Response:

all parameters are ready
Guru Meditation Error: Core  0 panic'ed (LoadProhibited). Exception was unhandled.
Core 0 register dump:
PC      : 0x400014dc  PS      : 0x00060730  A0      : 0x80001459  A1      : 0x3ffcd7e0
A2      : 0x0000075b  A3      : 0x00000757  A4      : 0x000000ff  A5      : 0x0000ff00
A6      : 0x00ff0000  A7      : 0xff000000  A8      : 0x800910da  A9      : 0x3ffcd7b0
A10     : 0x3ffcd9ac  A11     : 0x00000001  A12     : 0x00060720  A13     : 0x00000000
A14     : 0x3ffcfa19  A15     : 0x3ffcd8c0  SAR     : 0x00000008  EXCCAUSE: 0x0000001c
EXCVADDR: 0x0000075b  LBEG    : 0x4000c349  LEND    : 0x4000c36b  LCOUNT  : 0xffffffff

ELF file SHA256: 9dfefef0dfdc7996f1358f043093f04db8229901e05b7cca367c6c5060486717

Backtrace: 0x400014dc:0x3ffcd7e0 0x40001456:0x3ffcd7f0 0x40001445:0x3ffcd810 0x4014b101:0x3ffcd830 0x4014b7fc:0x3ffcd860 0x400e71c6:0x3ffcd890 0x400e5821:0x3ffcd8c0 0x400e7336:0x3ffcd8e0 0x40090966:0x3ffcd920

Rebooting...

sdkconfig to enable mqtt:

 CONFIG_AT_COMMAND_TERMINATOR_SUPPORT=
 CONFIG_AT_BASE_COMMAND_SUPPORT=y
 CONFIG_AT_WIFI_COMMAND_SUPPORT=y
-CONFIG_AT_NET_COMMAND_SUPPORT=
+CONFIG_AT_NET_COMMAND_SUPPORT=y
 CONFIG_AT_SOCKET_MAX_CONN_NUM=5

 #
 # AT ssl client authentication method
 #
+CONFIG_AT_SSL_CLIENT_SERVER_AUTH_CLIENT=y
+CONFIG_AT_SSL_CLIENT_CLIENT_AUTH_SERVER=y

 #
 # AT ssl server authentication method
 #
-CONFIG_AT_MQTT_COMMAND_SUPPORT=
+CONFIG_AT_SSL_SERVER_SERVER_AUTH_CLIENT=y
+CONFIG_AT_SSL_SERVER_CLIENT_AUTH_SERVER=y
+CONFIG_AT_MQTT_COMMAND_SUPPORT=y
 CONFIG_AT_HTTP_COMMAND_SUPPORT=
 CONFIG_AT_BLE_COMMAND_SUPPORT=
 CONFIG_AT_BLE_HID_COMMAND_SUPPORT=
@@ -679,8 +683,16 @@ CONFIG_MQTT_PROTOCOL_311=y
 CONFIG_MQTT_TRANSPORT_SSL=y
 CONFIG_MQTT_TRANSPORT_WEBSOCKET=y
 CONFIG_MQTT_TRANSPORT_WEBSOCKET_SECURE=y
-CONFIG_MQTT_USE_CUSTOM_CONFIG=
-CONFIG_MQTT_TASK_CORE_SELECTION_ENABLED=
+CONFIG_MQTT_USE_CUSTOM_CONFIG=y
+CONFIG_MQTT_TCP_DEFAULT_PORT=1883
+CONFIG_MQTT_SSL_DEFAULT_PORT=8883
+CONFIG_MQTT_WS_DEFAULT_PORT=80
+CONFIG_MQTT_WSS_DEFAULT_PORT=443
+CONFIG_MQTT_BUFFER_SIZE=1024
+CONFIG_MQTT_TASK_STACK_SIZE=6144
+CONFIG_MQTT_TASK_CORE_SELECTION_ENABLED=y
+CONFIG_MQTT_USE_CORE_0=y
+CONFIG_MQTT_USE_CORE_1=
 CONFIG_MQTT_CUSTOM_OUTBOX=

 #

And the customized cpp:

+    /*NET AT commands */
+    CHECK_TRUE(esp_at_net_cmd_regist(), RESULT_ERROR);
+
+    /*MQTT AT commands */
+    CHECK_TRUE(esp_at_mqtt_cmd_regist(), RESULT_ERROR);