.

[DevAnyKR]

It was removed because it was closed in an unresolved state.

[rzeldent]

Just retested: Works.
Think your installation is out of date: PLATFORM: Espressif 32 (3.3.1+sha.3784198) > ESP32CAM AI Thinker

Run: pio pkg update in the CLI

Processing esp32cam_ai_thinker (board: esp32cam_ai_thinker; platform: espressif32; framework: arduino)
---------------------------------------------------------------------------------------------------------------------------------------
Verbose mode can be enabled via `-v, --verbose` option
CONFIGURATION: https://docs.platformio.org/page/boards/espressif32/esp32cam_ai_thinker.html
PLATFORM: Espressif 32 (6.9.0) > ESP32CAM AI Thinker
HARDWARE: ESP32 240MHz, 320KB RAM, 4MB Flash
DEBUG: Current (cmsis-dap) External (cmsis-dap, esp-bridge, esp-prog, iot-bus-jtag, jlink, minimodule, olimex-arm-usb-ocd, olimex-arm-usb-ocd-h, olimex-arm-usb-tiny-h, olimex-jtag-tiny, tumpa)
PACKAGES: 
 - framework-arduinoespressif32 @ 3.20017.0 (2.0.17) 
 - tool-esptoolpy @ 1.40501.0 (4.5.1) 
 - toolchain-xtensa-esp32 @ 8.4.0+2021r2-patch5
LDF: Library Dependency Finder -> https://bit.ly/configure-pio-ldf
LDF Modes: Finder ~ chain, Compatibility ~ soft
Found 38 compatible libraries
Scanning dependencies...
Dependency Graph
|-- IotWebConf @ 3.2.1
|-- Micro-RTSP @ 0.1.6
|-- micro-moustache @ 1.0.1
|-- ESPmDNS @ 2.0.0
|-- RTSPServer @ 1.0.0
Building in release mode
prepare_file([".pio\build\esp32cam_ai_thinker\index.min.html.txt.o"], ["html\index.min.html"])
Converting .pio\build\esp32cam_ai_thinker\index.min.html.txt.o
revert_original_file([".pio\build\esp32cam_ai_thinker\index.min.html.txt.o"], ["html\index.min.html"])
Compiling .pio\build\esp32cam_ai_thinker\src\main.cpp.o
Building .pio\build\esp32cam_ai_thinker\bootloader.bin
Generating partitions .pio\build\esp32cam_ai_thinker\partitions.bin
esptool.py v4.5.1
Creating esp32 image...
Merged 1 ELF section
Successfully created esp32 image.
Compiling .pio\build\esp32cam_ai_thinker\libba4\WiFi\WiFi.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\libba4\WiFi\WiFiAP.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\libba4\WiFi\WiFiClient.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\libba4\WiFi\WiFiGeneric.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\libba4\WiFi\WiFiMulti.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\libba4\WiFi\WiFiSTA.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\libba4\WiFi\WiFiScan.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\libba4\WiFi\WiFiServer.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\libba4\WiFi\WiFiUdp.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\libad0\DNSServer\DNSServer.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\libfcc\FS\FS.cpp.o
Archiving .pio\build\esp32cam_ai_thinker\libad0\libDNSServer.a
Compiling .pio\build\esp32cam_ai_thinker\libfcc\FS\vfs_api.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib3d8\WebServer\Parsing.cpp.o
Archiving .pio\build\esp32cam_ai_thinker\libba4\libWiFi.a
Compiling .pio\build\esp32cam_ai_thinker\lib3d8\WebServer\WebServer.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib3d8\WebServer\detail\mimetable.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib963\EEPROM\EEPROM.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib068\ESPmDNS\ESPmDNS.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib498\IotWebConf\IotWebConf.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib498\IotWebConf\IotWebConfMultipleWifi.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib498\IotWebConf\IotWebConfOptionalGroup.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib498\IotWebConf\IotWebConfParameter.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib9e1\Micro-RTSP\CRtspSession.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib9e1\Micro-RTSP\CStreamer.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib9e1\Micro-RTSP\JPEGSamples.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\lib9e1\Micro-RTSP\OV2640.cpp.o
Archiving .pio\build\esp32cam_ai_thinker\libfcc\libFS.a
Compiling .pio\build\esp32cam_ai_thinker\lib9e1\Micro-RTSP\OV2640Streamer.cpp.o
Archiving .pio\build\esp32cam_ai_thinker\lib963\libEEPROM.a
Compiling .pio\build\esp32cam_ai_thinker\lib9e1\Micro-RTSP\SimStreamer.cpp.o
Archiving .pio\build\esp32cam_ai_thinker\lib068\libESPmDNS.a
Compiling .pio\build\esp32cam_ai_thinker\lib203\rtsp_server\rtsp_server.cpp.o
Archiving .pio\build\esp32cam_ai_thinker\lib3d8\libWebServer.a
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\Esp.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\FirmwareMSC.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\FunctionalInterrupt.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\HWCDC.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\HardwareSerial.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\IPAddress.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\IPv6Address.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\MD5Builder.cpp.o
Archiving .pio\build\esp32cam_ai_thinker\lib498\libIotWebConf.a
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\Print.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\Stream.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\StreamString.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\Tone.cpp.o
Archiving .pio\build\esp32cam_ai_thinker\lib9e1\libMicro-RTSP.a
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\USB.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\USBCDC.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\USBMSC.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\WMath.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\WString.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\base64.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\cbuf.cpp.o
Archiving .pio\build\esp32cam_ai_thinker\lib203\librtsp_server.a
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-adc.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-bt.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-cpu.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-dac.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-gpio.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-i2c-slave.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-i2c.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-ledc.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-matrix.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-misc.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-psram.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-rgb-led.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-rmt.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-sigmadelta.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-spi.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-time.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-timer.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-tinyusb.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-touch.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\esp32-hal-uart.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\firmware_msc_fat.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\libb64\cdecode.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\libb64\cencode.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\main.cpp.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\stdlib_noniso.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\wiring_pulse.c.o
Compiling .pio\build\esp32cam_ai_thinker\FrameworkArduino\wiring_shift.c.o
Archiving .pio\build\esp32cam_ai_thinker\libFrameworkArduino.a
Linking .pio\build\esp32cam_ai_thinker\firmware.elf
Retrieving maximum program size .pio\build\esp32cam_ai_thinker\firmware.elf
Checking size .pio\build\esp32cam_ai_thinker\firmware.elf
Advanced Memory Usage is available via "PlatformIO Home > Project Inspect"
RAM:   [===       ]  26.3% (used 86096 bytes from 327680 bytes)
Flash: [=====     ]  52.9% (used 1040133 bytes from 1966080 bytes)
Building .pio\build\esp32cam_ai_thinker\firmware.bin
esptool.py v4.5.1
Creating esp32 image...
Merged 27 ELF sections
Successfully created esp32 image.
==================================================== [SUCCESS] Took 32.93 seconds ====================================================