throwValidationError(messages -> {
                    messages.addErrorsNoUserForChangingPassword(GLOBAL);
                }, validationErrorLambda);
                return null;
            });
        }).orElse(() -> {
            throwValidationError(messages -> {
                messages.addErrorsLoginError(GLOBAL);

                throwValidationError(messages -> {
                    messages.addErrorsNoUserForChangingPassword(GLOBAL);
                }, validationErrorLambda);
                return null;
            });
        }).orElse(() -> {
            throwValidationError(messages -> {
                messages.addErrorsLoginError(GLOBAL);

     *
     * @return HTML response redirecting to the index page
     */
    @Execute
    @Secured({ ROLE })
    public HtmlResponse deleteAllWords() {
        if (!suggestHelper.deleteAllWords()) {
            throwValidationError(messages -> messages.addErrorsFailedToDeleteDocInAdmin(GLOBAL),
                    () -> asHtml(path_AdminSuggest_AdminSuggestJsp).useForm(SuggestForm.class));
        }

        } catch (final Exception e) {
            throwValidationError(messages -> messages.addErrorsFailedToReadRequestFile(GLOBAL, e.getMessage()),
                    () -> asListHtml(this::saveToken));
        }

        final CurlRequest curlRequest = getCurlRequest(header);
        if (curlRequest == null) {
            final String msg = header;

                try (InputStream in = Files.newInputStream(path)) {
                    out.write(in);
                }
            });
        }
        throwValidationError(messages -> messages.addErrorsCouldNotFindLogFile(GLOBAL, filename), this::asIndexHtml);
        return redirect(getClass()); // no-op
    }

    /**

                        copyOp.excludeNull();
                    });
                    form.crudMode = crudMode;
                }).orElse(() -> {
                    throwValidationError(messages -> messages.addErrorsCrudCouldNotFindCrudTable(GLOBAL, id), this::asListHtml);
                });
            });
        });
    }

    // -----------------------------------------------------

     */
    protected void verifyCrudMode(final int crudMode, final int expectedMode, final VaErrorHook errorHook) {
        if (crudMode != expectedMode) {
            throwValidationError(messages -> {
                messages.addErrorsCrudInvalidMode(GLOBAL, String.valueOf(expectedMode), String.valueOf(crudMode));
            }, errorHook);
        }
    }

    /**