The problem appears to be a conflict between the dependency on devise-two-factor version 2.0.0 and the current version of devise-two-factor (3.0.0 on my system) It occurs when installing using sudo apt-get as well as synaptic and the software manager.
The problem appears to be a conflict between the dependency on devise-two-factor version 2.0.0 and the current version of devise-two-factor (3.0.0 on my system) It occurs when installing using sudo apt-get as well as synaptic and the software manager.