<html><head></head><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1457947360904_20343">Hi</div><div id="yui_3_16_0_1_1457947360904_20343"><br></div><div class="" dir="ltr" id="yui_3_16_0_1_1457947360904_20358"><span style="font-family: Verdana, sans-serif; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" id="yui_3_16_0_1_1457947360904_20360" class="">I applied the annotation filter</span> algs.sum(algs.volume(inputs[0])),
but I ended up with an error in the render view and output message stating that
AttributeError:'None Type' object has no attribute 'GetCellData'. Does any one
know what is the problem ?<o:p id="yui_3_16_0_1_1457947360904_20362" class=""></o:p></div><div class="" dir="ltr" id="yui_3_16_0_1_1457947360904_20358"><br></div><div class="" dir="ltr" id="yui_3_16_0_1_1457947360904_20358">Regards,</div><div class="" dir="ltr" id="yui_3_16_0_1_1457947360904_20358">Islem Megdiche</div></div></body></html>