Resolving dependencies...
cabal: Could not resolve dependencies:
trying: HStringTemplate-0.7.3/installed-8e6... (user goal)
next goal: atlassian-connect-descriptor (user goal)
rejecting: atlassian-connect-descriptor-0.2.0.1 (conflict: HStringTemplate =>
text==1.2.0.2/installed-ddc..., atlassian-connect-descriptor => text>=0.11 &&
<=1.2)
rejecting: atlassian-connect-descriptor-0.2.0.0, 0.1.0.1, 0.1.0.0 (global
constraint requires ==0.2.0.1)
Dependency tree exhaustively searched.

Note: when using a sandbox, all packages are required to have consistent
dependencies. Try reinstalling/unregistering the offending packages or
recreating the sandbox.