• Re-check the account path configured under libraryConfig.data.urls.account.
• Verify the OPAC host URL and whether the account needs special SSL handling.

• Confirm the account actually has active loans or reservations.
• Check hideEmptyAccounts if you are testing a multi-account setup.

• Some OPAC systems change markup without notice.
• Enable debug: true to log loaded account summaries and update cycles.

Frontend strings come from the translation files, while backend validation or remote OPAC messages may still appear as plain text from the upstream service.