Using a Math Expression node, atan will generate an error as an unknown expression.

Reproduced in Main Promotable-CL-2471062

[Image Removed]

Steps to Reproduce
  1. Open QAGame Editor
  2. Create a New BP
  3. In the Even Graph, add a Math Expression node
  4. Add 'atan(1)' to the Expression node

RESULTS: Error is generated

EXPECTED: Results pin appears and expression compiles

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ComponentUE - Gameplay - Blueprint
Affects Versions4.7.24.8
Target Fix4.9
Fix Commit2528585
CreatedMar 10, 2015
ResolvedApr 28, 2015
UpdatedApr 27, 2018