Hi!
Everything went well until I wanted to get JSON from a WEB site.
From here, as soon as you get the JSON, reset it with the error 'Exception (9):':
23:36:19.787 -> Exception (9):
23:36:19.787 -> epc1=0x4020ea50 epc2=0x00000000 epc3=0x00000000 excvaddr=0x038702cb depc=0x00000000
23:36:19.839 ->
23:36:19.839 -> >>>stack>>>
23:36:19.885 ->
23:36:19.885 -> ctx: cont
23:36:19.885 -> sp: 3ffffd10 end: 3fffffc0 offset: 0190
23:36:19.927 -> 3ffffea0: 4020b07c 3ffeea4c 3ffe8b55 4020b34d
23:36:19.977 -> 3ffffeb0: 00000000 00000004 3ffffee0 40205868
23:36:20.034 -> 3ffffec0: 00000000 00002722 3ffffee0 40206600
23:36:20.069 -> 3ffffed0: ffffffc9 00002722 3ffeea4c 40202790
23:36:20.137 -> 3ffffee0: 00000000 00000000 3fff0a4c 3fff0694
23:36:20.173 -> 3ffffef0: 000c000f 00000000 00010050 40001388
23:36:20.239 -> 3fffff00: 6c6f722f 2f72656c 89420030 70747468
23:36:20.282 -> 3fffff10: 3ffe8700 8400002d 3fff0bfc 0000001f
23:36:20.331 -> 3fffff20: 0020b07c 3fff0a24 0011001f 0020b088
23:36:20.366 -> 3fffff30: 4020b000 3ffeea4c 80fe8b55 00000000
23:36:20.446 -> 3fffff40: 00000000 000000c8 000000c3 4020b400
23:36:20.515 -> 3fffff50: 00000000 ffff000a 3ffeea00 4020b490
23:36:20.555 -> 3fffff60: 807a1200 00000000 3fff0b64 3fff0d00
23:36:20.619 -> 3fffff70: 00c300cf 8001a8c0 3fff0cfc 00c300cf
23:36:20.652 -> 3fffff80: 00000000 00000000 00000001 40100534
23:36:20.720 -> 3fffff90: 3fffdad0 00000000 3ffeea88 3ffeeac8
23:36:20.756 -> 3fffffa0: 3fffdad0 00000000 3ffeea88 4020c860
23:36:20.824 -> 3fffffb0: feefeffe feefeffe 3ffe85a8 40101205
23:36:20.868 -> <<<stack<<<
Exception 9: LoadStoreAlignmentCause: Load or store to an unaligned address
PC: 0x4020ea50: HTTPClient::connected() at C:\Users\dengabor\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.1\libraries\ESP8266HTTPClient\src\ESP8266HTTPClient.cpp line 475
EXCVADDR: 0x038702cb
Decoding stack results
0x4020b07c: HardwareSerial::available() at C:\Users\dengabor\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.1\cores\esp8266\HardwareSerial.cpp line 101
0x4020b34d: Print::print(__FlashStringHelper const*) at C:\Users\dengabor\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.1\cores\esp8266\Print.cpp line 104
0x40205868: HTTPClient::disconnect(bool) at C:\Users\dengabor\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.1\libraries\ESP8266HTTPClient\src\ESP8266HTTPClient.cpp line 438
0x40206600: HTTPClient::setURL(String const&) at C:\Users\dengabor\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.1\libraries\ESP8266HTTPClient\src\ESP8266HTTPClient.cpp line 543
0x40202790: loop() at C:\Users\dengabor\dengabor-dengaborOTP\ARDUINO\Nextion\Termosztat-0v4b/Termosztat-0v4b.ino line 158
0x4020b400: Print::print(char const*) at C:\Users\dengabor\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.1\cores\esp8266\Print.cpp line 130
0x4020b490: Print::println(Printable const&) at C:\Users\dengabor\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.1\cores\esp8266\Print.cpp line 242
0x40100534: ets_post(uint8, ETSSignal, ETSParam) at C:\Users\dengabor\AppData\Local\Arduino15\packages\esp8266\hardware\esp8266\2.7.1\cores\esp8266\core_esp8266_main.cpp line 177
What's the mistake? What have I done wrong?
Please help, because I just can't figure it out. 
Thank you in advance!