lxpanel menu gone blank after upgrade: suggestions for restoring it?

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https://bbs.archlinux.org – This system uses slim as the DM and openbox WM with lxpanel. I recently did a pacman -Syu and now all items from within the menu in lxpanel have disappeared: just a blank box pops up when I click on the "start" button. How can I get the menu back?Other infos. I've done some snooping on-line for solutions, but nothing I've tried yet has resolved the issue. I found a script called lxmenu-editor.sh (on the LXDE wiki) and ran it, which resulted in some limited success. After having done that, I did get the menu back briefly--though it got rid of my custom configurations to the (HowTos)