Build error: “An expression is too long or complex to compile”

Question

Every now and then when I build a specific solution, I\'ll get a random amount of \"An expression is too long or complex to compile\" in the Error List window. However, the

Answer 1

I can share our experience with this error. Typical Microsoft masterpiece (or just a piece...) Our problem was actually due to too many DLLs for IIS to compile. Diagnosing it was a pain (as diagnostics is nonexistent). Removing some unnecessary DLLs (like unit test DLLs) from the main BIN folder has gotten rid of the problem. Go figure...