When cloning Package from Github with PLCNEXT, I will introduce how to solve it even when the error “SSL Certificate problem certificate is not yet valid” appears. Actually, this is a problem not only in PLCNEXT, but in Linux, and this error will occur if the time is not correct. NTP Client Setup Login the WBM into your CPU, go to Configuration>Data and Time. Now we know the time does … Continue reading PLCNEXT#SSL Certificate problem cerificate is not yet valid