(.text.zboss_signal_handler+0x34): undefined reference to `esp_zb_app_signal_handler'

[cassianocampes]

After updating the esp-idf to branch v5.4-dev, I am getting this error when trying to compile some zigbee examples:

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(.text.zboss_signal_handler+0x34): undefined reference to `esp_zb_app_signal_handler'

And, by checking at the managed_components folder, the headers are correct, and the signature of the function is there.
Below is a grep I did to find the function signature, and it found the following:

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./managed_components/espressif__esp-zigbee-lib/include/esp_zigbee_core.h:143: * @brief The application signal struct for esp_zb_app_signal_handler
./managed_components/espressif__esp-zigbee-lib/include/esp_zigbee_core.h:511: * complete, @ref esp_zb_app_signal_handler is called, so application will know when to do
./managed_components/espressif__esp-zigbee-lib/include/esp_zigbee_core.h:567: * @anchor esp_zb_app_signal_handler
./managed_components/espressif__esp-zigbee-lib/include/esp_zigbee_core.h:574:void esp_zb_app_signal_handler(esp_zb_app_signal_t *signal_s);

UPDATE

Checking the file dependencies.lock, I have this:

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dependencies:
  espressif/esp-zboss-lib:
    component_hash: 9dc1059b8a6695580ab0324d41f2f88e324c1486b196e20d087f3dcb78c1c654
    source:
      service_url: https://api.components.espressif.com/
      type: service
    version: 1.0.7
  espressif/esp-zigbee-lib:
    component_hash: 3171496afcbdf5c370a3f74f6bc6a7e3196227438b0405d8714796c9d6f68a36
    source:
      service_url: https://api.components.espressif.com/
      type: service
    version: 1.0.7
  idf:
    component_hash: null
    source:
      type: idf
    version: 5.2.0
manifest_hash: fbf9aa49681c39d3e1d6dfdc852aa22e21bf863c873ffe7692406584ec2b1f9f
target: esp32c6
version: 1.0.0

[cassianocampes]

I found the problem, this function is user-defined, which means, I should implement it.

SOLVED.