Panic on publish

[rwb196884]

void report() {
  JsonDocument jDocReport;
	//sensors.requestTemperatures(); // Or else initial value of 85.
	int t_flow = 40 + (n % 7); //sensors.getTemp(1);
	jDocReport["flow"] = t_flow;
	int t_return = 35 + (n % 7); //sensors.getTemp(0);
	jDocReport["return"] = t_return;
	jDocReport["set"] = tCurrent;
	char payload[96];
	unsigned int length = serializeJson(jDocReport, payload);
  Serial.printf("mqtt_client.publish length %d.\n", length);
  Serial.print("Payload: ");
  Serial.println(payload);
	bool p = mqtt_client.publish("zigbee2mqtt/Home/Temperature/ESP32", (byte*)payload, length, false);
	Serial.printf("Reported (h: %d, l: %d, w: %d) (success: %s). Value: ", p ? "yes" : "no", heat_h, heat_l, heat_w);
	serializeJson(jDocReport, Serial);
	Serial.println();
}

Output

mqtt_client.publish length 32.
Payload: {"flow":41,"return":36,"set":40}
Guru Meditation Error: Core  0 panic'ed (Load access fault). Exception was unhandled.

Core  0 register dump:
MEPC    : 0x40058eb6  RA      : 0x420a195a  SP      : 0x3fc9c4a0  GP      : 0x3fc8de00  
TP      : 0x3fc7b680  T0      : 0x4005890e  T1      : 0x10000000  T2      : 0x6573222c  
S0/FP   : 0x00000000  S1      : 0x00000000  A0      : 0x00000000  A1      : 0xffffffff  
A2      : 0x0000001f  A3      : 0x7f7f7f7f  A4      : 0x00000000  A5      : 0x00000004
A6      : 0xa0000000  A7      : 0x0000000a  S2      : 0x0000005a  S3      : 0x00000003  
S4      : 0x00000004  S5      : 0xffffffff  S6      : 0x3fc9c564  S7      : 0x0000000a  
S8      : 0x00000073  S9      : 0x00000000  S10     : 0x00000003  S11     : 0x00000000  
T3      : 0x00000000  T4      : 0x00000000  T5      : 0xc9277cd7  T6      : 0x5b077d30  
MSTATUS : 0x00001881  MTVEC   : 0x40380001  MCAUSE  : 0x00000005  MTVAL   : 0x00000000  
MHARTID : 0x00000000  

Stack memory:
3fc9c4a0: 0x00000000 0x00000000 0x00000058 0x3fc9cba8 0x3fc9c8c8 0x3c0c03e3 0x00000000 0x00000000
3fc9c4c0: 0x00000000 0x00000000 0x00000000 0x00000001 0x00000037 0x00000001 0x00000000 0x3c0c020c
3fc9c4e0: 0x00000000 0x00000000 0x00000000 0x00000000 0x3c0dea9c 0x00000000 0x3c0de920 0x3c0c02a8
3fc9c500: 0x00000002 0x3fc9c59e 0x00000002 0x3c0c020c 0x3c0dead0 0x00000000 0x00000000 0x3fc9c9e8
3fc9c520: 0x00000001 0x00000000 0x00000064 0x00000002 0x00000004 0x00000000 0x3c0c01a5 0x00000000
3fc9c540: 0x00000000 0x3c0c018b 0x0000001a 0x420a2610 0x3fc9c55c 0x00000001 0x0000000c 0x3c0c03d5
3fc9c560: 0x0000000c 0x3fc9c5ff 0x00000001 0x00000000 0x00000000 0x00000000 0x00000000 0x00000001
3fc9c580: 0x00000031 0x00000002 0x00000000 0x3c0c020c 0x00000000 0x00000000 0x00000000 0x3034abe8
3fc9c5a0: 0x3c0dea9c 0x00000000 0x3c0de920 0xbaad5678 0x00000016 0x00000054 0x3fc9d1e8 0x4038ad76
3fc9c5c0: 0x00000058 0x00000054 0x00000804 0x3fc9ca8c 0x3c0dea9c 0x00000000 0x000de920 0x00000000
3fc9c5e0: 0x00000001 0x00000000 0x3fc9d1f0 0x40386be0 0x3fc96000 0x30310030 0x32343730 0x30333230
3fc9c600: 0xffffffff 0x00000000 0x00000000 0x3c0c018b 0x0000001a 0x3fc9c6ae 0x00000002 0x40387196
3fc9c620: 0x00000028 0xffffffff 0x3fc9d1f0 0x4341ffff 0x00000024 0x00000000 0x3fc95d44 0xc0380000
3fc9c640: 0x00000000 0x3fc96000 0x00060000 0xc0380000 0x3fc95f90 0x00000008 0x3fc95f90 0x4038abe8
3fc9c660: 0x00000000 0x3fc96000 0x00060000 0xbaad5678 0x3fc95f90 0x00000008 0x3fca8644 0x4038ad76
3fc9c680: 0x3c0c0348 0x00000008 0x00001800 0x40381b74 0x00000000 0x0000000c 0x3fca8610 0x00000000
3fc9c6a0: 0x00000000 0x40386bfe 0x3fc9c720 0x3034de00 0x00000000 0x4005890e 0x0000000f 0xffffffff
3fc9c6c0: 0x00000013 0x00000000 0x00000001 0x00000001 0x00000019 0x00000004 0x3fc96000 0x600c2000
3fc9c6e0: 0x000000ac 0x00000000 0x3fc9c76c 0x00000000 0x3fc96000 0x00000000 0x00000000 0xc0380000
3fc9c700: 0x00000000 0x3fc96000 0x00060000 0xc0380000 0x40389070 0x40386bfe 0x3fc9d0a0 0x403866aa
3fc9c720: 0x40389070 0x40386bfe 0x3fc9c7a0 0x3fc8de00 0x00000028 0x4005890e 0x4038c54a 0x00000000
3fc9c740: 0x3fc9d2ec 0x00000000 0x00000001 0x00000001 0x3fc9c800 0x00000004 0x3fc96000 0x600c2000
3fc9c760: 0xfa000000 0x00000003 0x3fc9d0a0 0x403866aa 0x40389070 0x40386bfe 0x3fc9c7f0 0x3fc8de00
3fc9c780: 0x3fc7b680 0x4005890e 0x4038c54a 0x00000000 0x3fc9d2ec 0x00000000 0x00000001 0x00000001
3fc9c7a0: 0x3fc9c850 0x00000004 0x3fc9d0a0 0x40387196 0x00000000 0x00000000 0x3fc9d0a0 0xffffffff
3fc9c7c0: 0x00000000 0x0000004f 0x3fc9d0a0 0x403866aa 0x00000000 0x00000000 0x3fc9d0a0 0x40386be0
3fc9c7e0: 0x40389070 0x40386bfe 0x3fc9c860 0x3fc8de00 0x3fc7b680 0x4005890e 0x40387882 0x6573222c
3fc9c800: 0x3fc9d2ec 0x00000000 0x00000001 0x00000001 0x3fc9c8c0 0x00000004 0x3fc96000 0x600c2000
3fc9c820: 0x00000bb8 0x0000004c 0x3fc9c8ac 0x00000000 0x3fcaa197 0x00010000 0x00000009 0x0000004c
3fc9c840: 0x0000004c 0x000f4240 0x00001005 0x00000000 0x3fcaa9f4 0x00000000 0xc9277cd7 0x5b077d30
3fc9c860: 0x3fc8d878 0x3fc91adc 0x3fca9728 0x40387196 0x3fc9c990 0x3fc9c988 0x00000000 0xffffffff
3fc9c880: 0x00000000 0x00000031 0x3fcaa197 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000



ELF file SHA256: a538196f75eb6679

Rebooting...
ESP-ROM:esp32c3-api1-20210207
Build:Feb  7 2021
rst:0x3 (RTC_SW_SYS_RST),boot:0xd (SPI_FAST_FLASH_BOOT)
Saved PC:0x40048b82
SPIWP:0xee
mode:DIO, clock div:1
load:0x3fcd5820,len:0x1058
load:0x403cc710,len:0x8a8
load:0x403ce710,len:0x2fac
entry 0x403cc710

[rwb196884]

The parameters to Serial.printf("Reported are in the wrong order for the format specifiers.

Been looking at this for hours 🤦