boot loop

[firstcolle]

I'm trying this code.
I've written it on my D1 mini but it continuously rebooting after flashing.
can anyone help me?

here the error on the serial monitor

--------------- CUT HERE FOR EXCEPTION DECODER ---------------

ets Jan 8 2013,rst cause:2, boot mode:(3,7)

load 0x4010f000, len 3460, room 16
tail 4
chksum 0xcc
load 0x3fff20b8, len 40, room 4
tail 4
chksum 0xc9
csum 0xc9
v00060610
~ld
ISR not in IRAM!

User exception (panic/abort/assert)
--------------- CUT HERE FOR EXCEPTION DECODER ---------------

Abort called

[Yexoo]

same here

[sap03rocks]

Same here as well

[ehraz786]

add ICACHE_RAM_ATTR before the ISR function.
ICACHE_RAM_ATTR void telegramButtonPressed()