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Cant check any short code . feed back is connection problem or invalid

I am unable to access any short code on my LG Q61. Once i turn off the phone and i check my balance or use any short code once the feedback i get is invalid mmi code or connection problem

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crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 0
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