CommandNotFound return a command not found error.

EvalDiagnostics return error or nil depending on the diagnostics.

IncorrectUsage return an incorrect usage error.

InvalidArguments return an invalid arguments error.

LimitsExceed return an limit exceed error.

ThrowBlocksAreNotPermitted throw an unsupported block error.

ThrowMissingRequiredLabel throw a missing required label error.

ThrowUnsupportedArgument throw an unsupported argument error.

ThrowUnsupportedBlock throw an unsupported block error.

Unexpected return an unexpectedErrCode error.

MetaLocation values used to save location information of an error.

Error encapsulates error info.