FRAMESIZE_240X240

[kiralikbeyin]

Advanced-Image-Classification:53:25: error: 'FRAMESIZE_240X240' was not declared in this scope
     config.frame_size = FRAMESIZE_240X240;
                         ^
Advanced-Image-Classification:57:25: error: 'FRAMESIZE_240X240' was not declared in this scope
     config.frame_size = FRAMESIZE_240X240;
                         ^
Advanced-Image-Classification:71:23: error: 'FRAMESIZE_240X240' was not declared in this scope
   s->set_framesize(s, FRAMESIZE_240X240);

basic and advanced examples not compiling

[Siemian]

to fix it, just change X to x or update esp32-cam library
The name was changed in the original esp32-cam library some time ago:
espressif/esp32-camera@ae32d52#diff-59bf785fe4c5a1dad68fc85efc8e7e6f366cc13de89f4408527106d6a4532000L35-R36