Change Details

NOTE: This is high-priority. Work on ASAP. Thanks! This ticket is a follow-up to T277237. **Acceptance Criteria:** * For 500 errors, display the following message at the top of the Wiksource Export page according to the general UI specifications found in T277237: > An error occurred. *Learn more* > > Your download failed due to a server error. Please try these steps: > 1. Try to download the book again. > 2. Try to download the book as an EPUB file. > 3. Check the box in "Options" to remove credits. > 4. Check the box in "Options" to remove images. > If the error persists, please report an issue on [[ https://phabricator.wikimedia.org/ | Phabricator. ]] * For 404 errors, do not display the error message with proposed next steps, as this would not be helpful for such cases

NOTE: This is high-priority. Work on ASAP. Thanks! This ticket is a follow-up to T277237. **Acceptance Criteria:** * For 500 errors, display the following message at the top of the Wiksource Export page according to the general UI specifications found in T277237: > An error occurred. *Learn more* > > Your download failed due to a server error. Please try these steps: > 1. Try to download the book again. > 2. Try to download the book as an EPUB file. > 3. Check the box in "Options" to remove credits. > 4. Check the box in "Options" to remove images. > If the error persists, please report an issue on [[ https://phabricator.wikimedia.org/ | Phabricator]]. * For 404 errors, do not display the error message with proposed next steps, as this would not be helpful for such cases

NOTE: This is high-priority. Work on ASAP. Thanks! This ticket is a follow-up to T277237. **Acceptance Criteria:** * For 500 errors, display the following message at the top of the Wiksource Export page according to the general UI specifications found in T277237: > An error occurred. *Learn more* > > Your download failed due to a server error. Please try these steps: > 1. Try to download the book again. > 2. Try to download the book as an EPUB file. > 3. Check the box in "Options" to remove credits. > 4. Check the box in "Options" to remove images. > If the error persists, please report an issue on [[ https://phabricator.wikimedia.org/ | Phabricator. ]]]]. * For 404 errors, do not display the error message with proposed next steps, as this would not be helpful for such cases