Error Accessing Lesson after Upgrade from 1.9.4 to 2.7 gan Usman Asar - Dydd Gwener, 1 Gorffennaf 2016, 4:16 AM Number of replies: 0 Just upgraded moole from 1.9.4 to 2.7.14, upgrades seemed worked alright so far, except for when I try to open a lesson, it shows error. Debugging info shows Cyfartaledd sgoriau: - Permalink Ymateb