<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false">dear all,</div><div dir="ltr" data-setdir="false">i need to perform solvation enrgy calculation i have 6.8 version installed and i was trying to install environ 1.1 for this and i got this particular error </div><div dir="ltr" data-setdir="false"><span style="background-color: rgb(205, 35, 44);">No rule to make target '@wrapeers@', needed by 'environ_input.o</span></div><div dir="ltr" data-setdir="false">please help me resolve </div><div dir="ltr" data-setdir="false">Thanks in advance </div><div dir="ltr" data-setdir="false">Naval Kishor Singh </div><div dir="ltr" data-setdir="false">Mtech Chemical Engineering </div><div dir="ltr" data-setdir="false">IIT Roorkee</div></div></body></html>