Resolving dependencies...
cabal: Could not resolve dependencies:
trying: rasa-example-config-0.1.3 (user goal)
next goal: rasa-ext-slate (dependency of rasa-example-config-0.1.3)
rejecting: rasa-ext-slate-0.1.4, rasa-ext-slate-0.1.3, rasa-ext-slate-0.1.2,
rasa-ext-slate-0.1.0.0 (conflict: rasa-example-config => rasa-ext-slate>=0.1.6
&& <0.2)
Dependency tree exhaustively searched.