Kovacs Zoltan <kovacsz(at)pc10(dot)radnoti-szeged(dot)sulinet(dot)hu> writes:
> Starting pg_dump, this error occured (there is no output dump,
> unfortunately). Getting closer, I got this:
> tir=# SELECT pg_get_viewdef(c.relname) AS definition FROM pg_class c
> offset 441 limit 1;
> ERROR: cache lookup for proc 4303134 failed
I think you've got a view or rule that refers to a function you dropped.
regards, tom lane