System Information
Operating system: Windows 7
Graphics card: AMD Radeon (TM) R7 360 Series

Blender Version
Broken: 2.82 (sub 7), branch: master, commit date: 2020-02-12 16:20, hash: 77d23b0bd76f, type: Release

Short description of error
In Grease Pencil, deleting the channels (layers) from the dopesheet causes a crash. Console spits an EXCEPTION_ACCESS_VIOLATION error.

Exact steps for others to reproduce the error
Delete any channel from the dopesheet and try to move the playhead