HI,everyone,i get some question with openvibe

hello,my friends,
glad to see you all,i had installed openvibe ,but when i start acquire the raw eeg,there show that ” [LOOP] Emotiv Driver: An error occurred while updating the DataHandle. EDK Error Code [8226]”and”Something bad happened in the loop callback, stopping the acquisition”,the version of openvibe is v1.3.0 and the sdk of epoc+ is community,may you can help me resolve this problem?thanks a lot.