Pushback trucks can in very rare instances throw null reference exception during aircraft tow is severe ATC incident has impacted traffic

Passengers will not board planes, despite them passing through security and waiting outside automated boarding gates. The plane never leaves, and is never marked as delayed.

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COLLECTED HARDWARE DATA
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Application version: Beta 4.2-0

Device
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Model: MacBookPro14,1

Operating system: Mac OS X 10.16.0

RAM size: 8 GB

Battery status: Full
Battery level: 1

Processor device
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Type: Intel(R) Core(TM) i5-7360U CPU @ 2.30GHz
Core count: 4
Frequency: 2 GHz

Grahpics device
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Vendor: Apple
Type: Intel(R) Iris(TM) Plus Graphics 640
Memory size: 1 GB

Screen summary
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Full screen: True
Resolution: 2880 x 1800 @ 60Hz