Hello, in latest version (2.0.1) I had to replace
echo "addExpandCollapse('widget-collapscat-$number-top'," .
"'$expandSym', '$collapseSym', " . $accordion . ")";
with
if (!empty($accordion))
echo "addExpandCollapse('widget-collapscat-$number-top'," .
"'$expandSym', '$collapseSym', " . $accordion . ")";
else
echo "addExpandCollapse('widget-collapscat-$number-top'," .
"'$expandSym', '$collapseSym')";
in file collapscat.php
in order to avoid a javascript error because of the missing parameter