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<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">start grass from xy location in terminal.</blockquote>
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<div>run i.group (select your existing group)</div>
<div>i.target</div>
<div>i.points (already exists in ur case)</div>
<div>i.rectify (without -ca flag)</div>
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<div>if the error repeats when run from terminal</div>
<div> you should goto grassdata directory and (ctrl+H ,view hidden files) then u can see .tmp directory you should delete .tmp directory from both xy and projected location mapset folder</div>
<div>delete directory. and start grass again.</div>
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<div> </div>
<div>Rashad</div><br> </div>