The following signatures were invalid: KEYEXPIRED 1599756787 KEYEXPIRED 1599757948 KEYEXPIRED 1599756787 KEYEXPIRED 1599756787 KEYEXPIRED 1599757948 code example

Example: GPG error: https://dl.bintray.com stable Release: The following signatures were invalid: KEYEXPIRED

$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys <KEY>