Error while compiling with Arduino IDE 1.8.19

[SchneHa]

app_httpd.cpp:152:19: error: format '%i' expects argument of type 'int', but argument 4 has type 'long unsigned int' [-Werror=format=]
Serial.printf("CPU Freq: %i MHz, Xclk Freq: %i MHz\r\n", ESP.getCpuFreqMHz(), xclk);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~

What board definition and library versions have to be present?

[SchneHa]

Board definition must be at least 2.0.2. Don't know if newer definitions work.