Readonly_Readonly~effect/Optional Readonly~effect/Attach extra key/value metadata to this error.
Optional Readonly~effect/Suppress reports for this error.
Optional Readonly~effect/Override the severity level for this error.
OptionalcauseThe cause of the error.
ReadonlyreasonOptionalstack
A rule of the program broken, which
defectthrows: a message that cannot arrive, a state that cannot be.reasonsays which rule.