【openwrt】/usr/lib/lua/luci/dispatcher.lua:569: bad argument #1 to 'pairs'解决办法
刚才想安装webdav，登陆后台发现错误：
/usr/lib/lua/luci/dispatcher.lua:569: bad argument #1 to 'pairs' (table expected, got nil)
stack traceback:
[C]: in function 'pairs'
/usr/lib/lua/luci/dispatcher.lua:569: in function 'createtree'
/usr/lib/lua/luci/dispatcher.lua:238: in function 'dispatch'
/usr/lib/lua/luci/dispatcher.lua:121: in function [/usr/lib/lua/luci/dispatcher.lua:120
不知为何
解决办法：
ssh连接执行
rm -r /tmp/luci-indexcache