Improve CAG validation error message

[R-Palazzo]

Resolve #2496 CU-86b4v53zt

[sdv-team]

Task linked: CU-86b4v53zt SDV - Improve CAG validation error message #2496

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 98.10%. Comparing base (fbf241e) to head (d2b980f). Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2587      +/-   ##
==========================================
+ Coverage   98.09%   98.10%   +0.01%     
==========================================
  Files          70       70              
  Lines        7229     7238       +9     
==========================================
+ Hits         7091     7101      +10     
+ Misses        138      137       -1     

Flag	Coverage Δ
integration	76.05% <76.47%> (+0.11%)	:arrow_up:
unit	96.80% <100.00%> (-0.04%)	:arrow_down:

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