2020-08-18 21:41:20 - cex place new buy order: eth_btc 1.0E-6 19.8 [16247310809]Array ( [complete] => [id] => 16247310809 [time] => 1597779679170 [pending] => 19.80000000 [amount] => 19.80000000 [type] => buy [price] => 0.000001 ) 2020-08-18 21:42:04 - cex delete buy orders: eth_btc [replace] 2020-08-18 21:42:21 - cex place new buy order: eth_btc 0.035326 0.01763 [] margin:0.28873917228103]Array ( [error] => There was an error while placing your order: Invalid amount [safe] => 1 ) 2020-08-18 21:42:23 - cex delete buy orders: eth_btc [replace] 2020-08-18 21:42:25 - cex place new buy order: eth_btc 0.035337 0.01818 [] margin:0.27732971106773]Array ( [error] => There was an error while placing your order: Invalid amount [safe] => 1 )