CLSError.Code.invalidModification An attempt to modify a read-only object failed. Declarationcase invalidModification See AlsoError codesCLSError.Code.noneCLSError.Code.authorizationDeniedCLSError.Code.classKitUnavailableCLSError.Code.databaseInaccessibleCLSError.Code.invalidAccountCredentialsCLSError.Code.invalidArgumentCLSError.Code.invalidCreateCLSError.Code.invalidUpdateCLSError.Code.limitsCLSError.Code.partialFailure