compilation failed "no return statement in function returning non-void [-Werror=return-type]"

[Blastmun]

Hello, I followed the tutorial but when compiling under arduino IDE I encountered this error, does anyone have any ideas? I try with Arduino IDE 2.3.2 & wemos d1 mini

` D:\PATH\TO\Jarolift_MQTT-0.7-2\Jarolift_MQTT-0.7\Jarolift_MQTT\Jarolift_MQTT.ino: In function 'int keeloq()': D:\PATH\TO\Jarolift_MQTT-0.7-2\Jarolift_MQTT-0.7\Jarolift_MQTT\Jarolift_MQTT.ino:453:1: error: no return statement in function returning non-void [-Werror=return-type] 453 | } // int keeloq | ^ D:\PATH\TO\Jarolift_MQTT-0.7-2\Jarolift_MQTT-0.7\Jarolift_MQTT\Jarolift_MQTT.ino: In function 'int keygen()': D:\PATH\TOs\Jarolift_MQTT-0.7-2\Jarolift_MQTT-0.7\Jarolift_MQTT\Jarolift_MQTT.ino:479:1: error: no return statement in function returning non-void [-Werror=return-type] 479 | } // int keygen | ^ D:\PATH\TO\Jarolift_MQTT-0.7-2\Jarolift_MQTT-0.7\Jarolift_MQTT\Jarolift_MQTT.ino: In function 'int rx_keygen()': D:\PATH\TO\Jarolift_MQTT-0.7-2\Jarolift_MQTT-0.7\Jarolift_MQTT\Jarolift_MQTT.ino:641:1: error: no return statement in function returning non-void [-Werror=return-type] 641 | } // int rx_keygen | ^ D:\PATH\TO\Jarolift_MQTT-0.7-2\Jarolift_MQTT-0.7\Jarolift_MQTT\Jarolift_MQTT.ino: In function 'int rx_decoder()': D:\PATH\TO\Jarolift_MQTT-0.7-2\Jarolift_MQTT-0.7\Jarolift_MQTT\Jarolift_MQTT.ino:654:1: error: no return statement in function returning non-void [-Werror=return-type] 654 | } // int rx_decoder | ^ cc1plus.exe: some warnings being treated as errors

exit status 1

Compilation error: no return statement in function returning non-void [-Werror=return-type] `

[Blastmun]

Help? =(

[Blastmun]

you have to replace the int in question with void