crwdns2933897:0crwdne2933897:0

Why is my g51 throwing e30 and I can't get it to the c to clear it

My g51programer is giving e30 and I can't get it to get to the c to clear it

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

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crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
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