The dtgbot.log.errors file should contain the error encountered as described in the wiki: https://www.domoticz.com/wiki/Remote_Control_of_Domoticz_by_Telegram_Bot#dtb.log.errors
Have you checked that?

Jos

I dont know if this is the logging from the time it didnt work, but the file contains the ...

I've encountered a problem, receiving commando's stopped working today. Checked the status of dtgbot and it stated the following:

pi@raspberrypi:/var/tmp$ sudo service dtgbot status
● dtgbot.service - LSB: A Telegram bot designed to control Domoticz
Loaded: loaded (/etc/init.d/dtgbot)
Active ...

I needed to get the latest modified (created) file name from a directory, so that i could change that file to the latest OS.Date.
The difficult part was to get the latest modified file name in a specific path. I've found some topics on the internet to use the io.popen command but those were not ...