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<p style="margin-top:0;margin-bottom:0">To whom this may concern,</p>
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<p style="margin-top:0;margin-bottom:0"><font face="Tahoma"><span style="font-size: 12px;">I am currently trying to use the i.segment.uspo tool for obia on a high resolution data set. However I keep recieving the following error:</span></font></p>
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<p style="margin-top:0;margin-bottom:0"><font face="Tahoma"><span style="font-size: 12px;"><span>ValueError: max() arg is an empty sequence</span><br>
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<p style="margin-top:0;margin-bottom:0"><font face="Tahoma"><span style="font-size: 12px;"><span>I am carrying out the classification in the Grass UI. Could you provide me with any guidance, or possibly redirect me to soem resources?</span></span></font></p>
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<p style="margin-top:0;margin-bottom:0"><font face="Tahoma"><span style="font-size: 12px;"><span>Many thanks,</span></span></font></p>
<p style="margin-top:0;margin-bottom:0"><font face="Tahoma"><span style="font-size: 12px;"><span>Dan</span></span></font></p>
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