Steps to replicate the issue (include links if applicable):
- Start a translation for a section (probably lead section) that contains a block template for which cxserver returns 500 error. For example the infobox inside this lead section:
- Proceed to the "Pick a sentence" step to actually translate the content.
- Click on that block template
Screencast of the issue in greek (el) wiki:
The loading indicator inside the block template adaptation card at the bottom, shows up forever.
What should have happened instead?:
A message indicating that the adaptation of this template failed should be displayed to the user, as described in T295973.