WDT exception

[PatrickMons]

I use Lolin wemos d1 mini pro v2.0.0 (esp8266)
arduino IDE 1.8.19
whit the same sketch using esp-fs-webserver version 1.1.7 I have no problem at all, everithing working well
but with the last version of esp-fs-webserver 2.0.7 just after loading the sketch on the micro it start to reset every minute

this is the output from serial monitor:

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Deserializing JSON..

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

Exception (28):
epc1=0x40218534 epc2=0x00000000 epc3=0x00000000 excvaddr=0x00000000 depc=0x00000000

stack>>>

ctx: cont
sp: 3ffffd30 end: 3fffffd0 offset: 0150
3ffffe80: 40224800 0104a8c0 c28f5c28 00641888
3ffffe90: 40224800 00000000 00000001 3fff1df4
3ffffea0: 3fff1dd4 3fff1de4 3fff1e11 3fff29e0
3ffffeb0: 3fff25dc 3fff25dc 3fff25dc 402185d2
3ffffec0: 3fff25dc 3fff25dc 3fff4a50 40217034
3ffffed0: 3fff4104 3fffff00 3fff4a4c 40216430
3ffffee0: 3fff25dc 3fff25dc 00000001 402142b9
3ffffef0: 00000000 3fff4a4c 00000001 3f000000
3fffff00: 3fff0000 00000000 3fff2608 40215104
3fffff10: 0000562d 3fff2608 00000001 402154a4
3fffff20: 3fffdad0 00000000 3fff2284 4021049d
3fffff30: 402243f0 00000000 00001388 40222872
3fffff40: 3fffdad0 00000000 3fff42d4 3fff29e0
3fffff50: 3fffdad0 3fff25dc 3fff2280 402156fc
3fffff60: 3fffdad0 00000000 3fff2280 40210643
3fffff70: 3fff1dd4 3fff1dc0 3fff29b4 4020a333
3fffff80: 00000000 01040000 00005460 40224800
3fffff90: 0104a8c0 feefeffe feefeffe 3fff29e0
3fffffa0: 3fffdad0 00000000 3fff29b4 3fff29e0
3fffffb0: 3fffdad0 00000000 3fff29b4 402201c4
3fffffc0: feefeffe feefeffe 3fffdab0 401012e1
<<<stack<<<

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

ets Jan 8 2013,rst cause:2, boot mode:(3,6)

load 0x4010f000, len 3424, room 16
tail 0
chksum 0x2e
load 0x3fff20b8, len 40, room 8
tail 0
chksum 0x2b
csum 0x2b
v0006bf80
~ld

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I already tryed to use some espedient found on the net like reducing power of wifi or other stuffs but no one working

do you have any suggestion?