Core 1 panic'ed

[Se1616]

I am using an M5Stack 2020 Atom Matrix ESP32 PICO
This is my first project. I built a remote control for the hub. This is already running.
I noticed 2 problems in the function init ().
Problem 1:
Sketch 1:

void setup() {
Serial.begin(9600);

IrReceiver.begin(22, true);
myHub.init();
}

void loop() {

}

This leads to the following crash:

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녑:0x&⸮⸮�⸮⸮�⸮leK⸮044C!⸮+⸮⸮0x�⸮78⸮⸮,⸮⸮⸮�h<NJ"ҋ�⸮"� ⸮⸮95� ⸮⸮⸮�)�⸮Guru Meditation Error: Core 1 panic'ed (Cache disabled but cached memory region accessed)
Core 1 register dump:
PC : 0x400d17c8 PS : 0x00060034 A0 : 0x80081458 A1 : 0x3ffbe7b0
A2 : 0x00000064 A3 : 0x20000000 A4 : 0x00000400 A5 : 0x3ffc5d10
A6 : 0x00000000 A7 : 0x3ffc5d4c A8 : 0x80081017 A9 : 0x00000000
A10 : 0x00000001 A11 : 0x00000000 A12 : 0x00000000 A13 : 0x00000000
A14 : 0x00000000 A15 : 0x00000005 SAR : 0x00000016 EXCCAUSE: 0x00000007
EXCVADDR: 0x00000000 LBEG : 0x4000164d LEND : 0x40001667 LCOUNT : 0xfffffffc
Core 1 was running in ISR context:
EPC1 : 0x400931c6 EPC2 : 0x00000000 EPC3 : 0x00000000 EPC4 : 0x400d17c8

Backtrace: 0x400d17c8:0x3ffbe7b0 0x40081455:0x3ffbe7d0 0x400848dd:0x3ffbe7f0 0x400931c3:0x3ffc5d70 0x400939c1:0x3ffc5d90 0x40087504:0x3ffc5db0 0x400f1d0d:0x3ffc5e20 0x400f05dd:0x⸮
*
*
The following sketch works:
void setup() {
Serial.begin(9600);
myHub.init();
IrReceiver.begin(22, true);

}

Problem 2:
The following sketch leads to a crash after about 9300 runs:

#include <Lpf2Hub.h>

Lpf2Hub myHub;
int i;

void setup() {
Serial.begin(9600);
myHub.init();
i = 0;
}

void loop() {

if (!myHub.isConnected() && !myHub.isConnecting())
{
myHub.init();
}

Serial.println (i++);

} // End of loop

9321
9322
abort() was called at PC 0x40108b5f on core 1

Backtrace: 0x40090a94:0x3ffc5e40 0x40090cc5:0x3ffc5e60 0x40108b5f:0x3ffc5e80 0x40108ba6:0x3ffc5ea0 0x401086ed:0x3ffc5ec0 0x40108440:0x3ffc5ee0 0x401088a5:0x3ffc5f00 0x400d1983:0x3ffc5f20 0x400d19d9:0x3ffc5f50 0x400d1a31:0x3ffc5f70 0x400d1758:0x3ffc5fd0 0x400e395d:0x3ffc5ff0 0x4008d4e5:0x3ffc6010

Rebooting...
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