如何***？

我一直在测试我编写的 WifiAccessPoint 代码。它与提供的示例基本相同。
当我提交带有某种形式的 avriables 的页面时，一切正常。但是，我注意到当我在网页上刷新时。它抛出异常。
所以我下载了异常解码器。这是结果：
代码：全选Decoding 31 results
0x40203bff: spiffs_page_delete at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266spiffs/spiffs_nucleus.c line 941
0x40204f9c: spiffs_object_truncate at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266spiffs/spiffs_nucleus.c line 1596
0x40204196: spiffs_object_open_by_page at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266spiffs/spiffs_nucleus.c line 941
0x40202411: SPIFFS_open at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266spiffs/spiffs_hydrogen.c line 980
0x4020c0b9: SPIFFSImpl::open(char const*, fs::OpenMode, fs::AccessMode) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/spiffs_api.cpp line 35
0x4020c554: spiffs_hal_read(unsigned int, unsigned int, unsigned char*) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/spiffs_hal.cpp line 45
0x4020c618: spiffs_hal_write(unsigned int, unsigned int, unsigned char*) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/spiffs_hal.cpp line 102
0x4020c75c: spiffs_hal_erase(unsigned int, unsigned int) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/spiffs_hal.cpp line 168
0x4020ab58: fs::FS::open(char const*, char const*) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/FS.cpp line 161
0x4020ab85: fs::FS::open(String const&, char const*) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/FS.cpp line 161
0x40206ada: WriteCreateFile(String, String) at C:UserspaulDocumentsArduinoLekkaTrekkaMainESP/sendAT.ino line 3
0x4020b320: String::operator=(String const&) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/WString.cpp line 519
0x4020b348: String::String(String const&) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/WString.cpp line 519
0x40206ff8: handleSub() at C:UserspaulDocumentsArduinoLekkaTrekkaMainESP/sendAT.ino line 3
0x4010020c: _umm_free at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266umm_malloc/umm_malloc.c line 1287
0x4010068c: free at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266umm_malloc/umm_malloc.c line 1733
0x4020b1e7: String::reserve(unsigned int) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/WString.cpp line 519
0x40209188: FunctionRequestHandler::handle(ESP8266WebServer&, HTTPMethod, String) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0librariesESP8266WebServersrcdetail/RequestHandlersImpl.h line 53
0x4020c83e: std::_Function_handler ::_M_invoke(std::_Any_data const&) at C:UserspaulDocumentsArduinoLekkaTrekkaMainESP/sendAT.ino line 3
0x4020917e: std::function ::operator()() const at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0librariesESP8266WebServersrcdetail/RequestHandlersImpl.h line 53
0x402091ba: FunctionRequestHandler::handle(ESP8266WebServer&, HTTPMethod, String) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0librariesESP8266WebServersrcdetail/RequestHandlersImpl.h line 53
0x4020b348: String::String(String const&) at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/WString.cpp line 519
0x4020924d: ESP8266WebServer::_handleRequest() at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0librariesESP8266WebServersrcdetail/RequestHandlersImpl.h line 53
0x40208160: WiFiClient::~WiFiClient() at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0librariesESP8266WiFisrc/WiFiClient.cpp line 149
0x4020942f: ESP8266WebServer::handleClient() at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0librariesESP8266WebServersrcdetail/RequestHandlersImpl.h line 53
0x4020b8c8: esp_yield at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/core_esp8266_main.cpp line 56
0x402011bf: delay at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/core_esp8266_wiring.c line 50
0x402075b1: loop at C:UserspaulDocumentsArduinoLekkaTrekkaMainESP/sendAT.ino line 3
0x4020b8e9: esp_schedule at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/core_esp8266_main.cpp line 56
0x4020b914: loop_wrapper at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/core_esp8266_main.cpp line 56
0x40100718: cont_norm at C:UserspaulAppDataLocalArduino15packagesesp8266hardwareesp82662.3.0coresesp8266/cont.S line 109

我的问题是这样的。从现在到哪里？我如何理解这个解码？抛出异常的是最顶层的条目吗？我该如何调试呢？