>What would cause the error "Invalid seek offset"?
Probably some corrupted index. Try re-indexing the tables and see if the error goes away.
"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?
"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare
"To die for a religion is easier than to live it absolutely"
Jorge L. Borges