Weird failure to open .bib file

I have a .bib file, which I've finally whittled down to two entries, which can't be read by BibDesk. Can't figure out the problem, so I'm handing it off to the experts.

I get slightly different results depending on the order of the two citations in the file. With Bump249 first, I get two errors:

Blat.bib (19) 21 syntax error found "Year", expected end of entry ("}" or ")") (skipping to next "@")

Blat.bib (19) 23 warning 8 characters of junk seen at toplevel

With Bump249 last, I get one error:
Blat.bib (20) 36 syntax error found "Year", expected end of entry ("}" or ")") (skipping to next "@")

In addition, in the latter case, I get a "Can't open" alert, even though I click "give up" on the error alert.
The file is between the "==="s:

=========================
%% This BibTeX bibliography file was created using BibDesk.
%% http://bibdesk.sourceforge.net/

%% Created for Justin C. Walker at 2006-10-11 20:04:57 -0700

%% Saved with string encoding Western (ASCII)

@inproceedings{DiamondJim,
Address = {Providence, Rhode Island},
Author = {Fred Diamond and John Im},
Booktitle = {Conference Proceedings},
Date-Added = {2005-03-31 18:29:34 -0800},
Date-Modified = {2005-03-31 18:31:54 -0800},
Local-Url = {file://localhost/Volumes/SandBox/Justin/MathDocs/DiamondJim.pdf},
Organization = {Canadian Mathematical Society},
Pages = {39-133},
Publisher = {American Mathematical Society},
Title = {Modular forms and modular curves},
Volume = {17},
Year = {1995}}

@electronic{Bump249,
Author = {Daniel Bump},
Date-Added = {2005-03-06 20:33:48 -0800},
Date-Modified = {2005-03-06 20:39:41 -0800},
Keywords = {Class Field Theory, Quaternions, Brauer Group},
Local-Url = {file://localhost/Volumes/SandBox/Justin/MathDocs/Math249A.Fall04/QuadraticExts.pdf},
Title = {Quadratic Extensions of Local and Global Fields},
Url = {http://sporadic.stanford.edu/bump/quadratic.ps},
Urldate = {December 1, 2004}
Year = {2004}}
=========================

Justin (justin@mac.com)