[MagenticOne] Report the error reason in the exception and skip the s…

[smalltalkman]

…econd check if an error exists

Why are these changes needed?

Related issue number

Checks

• I've included any doc changes needed for https://microsoft.github.io/autogen/. See https://github.com/microsoft/autogen/blob/main/CONTRIBUTING.md to build and test documentation locally.
• I've added tests (if relevant) corresponding to the changes introduced in this PR.
• I've made sure all auto checks have passed.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 81.28%. Comparing base (13e144e) to head (4b3b95c).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7039      +/-   ##
==========================================
+ Coverage   81.22%   81.28%   +0.05%     
==========================================
  Files         244      244              
  Lines       18512    18517       +5     
==========================================
+ Hits        15036    15051      +15     
+ Misses       3476     3466      -10     

Flag	Coverage Δ
unittests	81.28% <100.00%> (+0.05%)	⬆️

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[ekzhu]

@smalltalkman thanks, could you fix the build errors? You can instruct your coding agent to follow instructions in https://github.com/microsoft/autogen/blob/main/.github/copilot-instructions.md

[smalltalkman]

@ekzhu Thanks for your guidance. The type check error has been fixed.

[smalltalkman]

@microsoft-github-policy-service agree