Error Code Format

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Overview

Error codes follow the pattern E<NNNN> where the first digit indicates the category:

Range	Category
E1xxx	Parse errors -- syntax and tokenization
E2xxx	Semantic errors -- types, scopes, validation
E25xx	Type errors -- overflow, bounds, casts
E3xxx	Codegen errors -- bytecode generation, NeoVM limits
E4xxx	I/O errors -- files, imports, permissions
E5xxx	Security warnings -- reentrancy, unsafe patterns