Engine Error: to many verts

Playing the game and got to the point where you are launching the rocket! a minute after i launched the rocket it crashes and gave me this error! " Too many verts for a dynamic vertex buffer (13353>10922) Tell programmer to up VERTEX_BUFFER_SIZE!

Included the “minidump” you asked for! Other then this AWESOME GAME!
hl2_4104_crash_2012_9_16T2_19_52C0.mdmp (104 KB)

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.