Display errors on failed connection

[philippjfr]

Fixes #673

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.06%. Comparing base (4c37dc5) to head (4faeef8).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #694   +/-   ##
=======================================
  Coverage   85.06%   85.06%           
=======================================
  Files          33       33           
  Lines        3822     3822           
=======================================
  Hits         3251     3251           
  Misses        571      571           

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