rejected в каких случаях возникает ?

[Yuriy Zaytsev]

2014.09.25 10:09:44.721    Trades    'xxxxxx': accepted buy limit 0.08 NZDUSD at 0.7970
2014.09.25 10:09:44.440    Trades    'xxxxxx': buy limit 0.08 NZDUSD at 0.7970
2014.09.25 10:08:22.346    Trades    'xxxxxx': rejected buy limit 0.08 NZDUSD at 0.7970
2014.09.25 10:06:51.299    Trades    'xxxxxx': accepted buy limit 0.08 NZDUSD at 0.7970
2014.09.25 10:06:51.002    Trades    'xxxxxx': buy limit 0.08 NZDUSD at 0.7970