WTF is going with this BOT?

ERROR Not enough XCP. SELL order sent  BTC_XCP at price  0.00420700  42.3600000 coin for 0.17819300 BTC
SUCCESS 18269xxxx BUY order sent  BTC_XCP at price  0.00360138  42.4800000 coin for 0.15300000 BTC

ERROR Not enough PPC. SELL order sent  BTC_PPC at price  0.00079413  224.080000 coin for 0.17795300 BTC
SUCCESS 51569xxxx BUY order sent  BTC_PPC at price  0.00068073  224.760000 coin for 0.15300000 BTC

BOT bought coins, but couldn't sell because of ERROR?? How you can explain that?
Now i'm thinking between fix lose or wait???