message: Fix error message which is shown when unknown slash command attempted
diff: @@ -37,7 +37,7 @@ import SendHistoryManager from "../../../SendHistoryManager";
  import {processCommandInput} from '../../../SlashCommands';
  import sdk from '../../../index';
  import Modal from '../../../Modal';
  -import { _t } from '../../../languageHandler';
  +import {_t, _td} from '../../../languageHandler';
  import ContentMessages from '../../../ContentMessages';
  import {Key} from "../../../Keyboard";
  @@ -214,12 +214,20 @@ export default class SendMessageComposer extends React.Component {
  const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
  // assume the error is a server error when the command is async
  const isServerError = !!cmd.promise;
  - const title = isServerError ? "Server error" : "Command error";
  + const title = isServerError ? _td("Server error") : _td("Command error");
  +
  + let errText;
  + if (typeof error === 'string') {
  + errText = error;
  + } else if (error.message) {
  + errText = error.message;
  + } else {
  + errText = _t("Server unavailable, overloaded, or something else went wrong.");
  + }
  +
  Modal.createTrackedDialog(title, '', ErrorDialog, {
  - title: isServerError ? _t("Server error") : _t("Command error"),
  - description: error.message ? error.message : _t(
  - "Server unavailable, overloaded, or something else went wrong.",
  - ),
  + title: _t(title),
  + description: errText,
  });
  } else {
  console.log("Command success.");
  