I have the same problem. Finished solo mission and nothing happened. I sent a bug report was told to dump everything. 3 weeks later and after numerous reports no response. Guess this toon will not use the expansion.
Unless are able to switch between merc and pt, I don't think it is appropriate to have player bounties. Imagine a merc who is squishy at the moment trying to take a bounty. Would be game ending for that merc.
1) A damage boost.
2) A real snare that you can actually maintain distance.
3) Instant power shot and/or heal. Totally unacceptable that to heal or use power shot I get interupted over and over and over and over again.