improve fc error reporting
improve fc error reporting

jakeporter/Bitshares,bitshares/devshares,dacsunlimited/dac_play,denkhaus/bitsharesx,FollowMyVote/bitshares,FollowMyVote/bitshares,frrp/bitshares,camponez/bitshares,jakeporter/Bitshares,bitshares/devshares,denkhaus/bitsharesx,bitshares/bitshares,Ziftr/bitshares,dacsunlimited/dac_play,bitshares/bitshares-0.x,camponez/bitshares,Ziftr/bitshares,bitshares/bitshares,drltc/keyid,frrp/bitshares,RemitaBit/Remitabit,dacsunlimited/dac_play,dacsunlimited/dac_play,camponez/bitshares,bitshares/bitshares-0.x,frrp/bitshares,bitshares/devshares,Ziftr/bitshares,camponez/bitshares,bitsuperlab/cpp-play,dacsunlimited/dac_play,bitsuperlab/cpp-play,RemitaBit/Remitabit,bitsuperlab/cpp-play,dacsunlimited/dac_play,bitshares/devshares,RemitaBit/Remitabit,Ziftr/bitshares,bitshares/bitshares-0.x,FollowMyVote/bitshares,frrp/bitshares,bitsuperlab/cpp-play,bitshares/bitshares-0.x,bitshares/bitshares,RemitaBit/Remitabit,camponez/bitshares,RemitaBit/Remitabit,frrp/bitshares,FollowMyVote/bitshares,bitshares/bitshares-0.x,RemitaBit/Remitabit,camponez/bitshares,denkhaus/bitsharesx,jakeporter/Bitshares,bitshares/bitshares,drltc/keyid,bitsuperlab/cpp-play,bitshares/bitshares-0.x,jakeporter/Bitshares,FollowMyVote/bitshares,bitshares/devshares,frrp/bitshares,jakeporter/Bitshares,denkhaus/bitsharesx,jakeporter/Bitshares,drltc/keyid,bitshares/bitshares,bitshares/devshares,FollowMyVote/bitshares,drltc/keyid,bitshares/bitshares,bitsuperlab/cpp-play