I encountered this problem earlier, but back then I really had quite a lot of sources listed in Cydia. Now it's happened again. I get a black dialog box with the following: Code: -Wow, you exceeded the number of package names this APT is capable of. -Problem with MergeList /var/lib/apt/lists/... -The package lists or status file could no be parsed or opened. (I think it was something else yesterday, or earlier today.) What could be the reason -- did one of the sources suddenly increase their "supply" of packages? Is there any other solution apart from removing some of the sources?