Sourcetree crashes when trying to create a pull request

[Mark Ross]

Sourcetree app completely crashes and quits when I try to create a pull request for a branch. This started happening with version 3.4.8.

Steps:

1. From Branches
2. Right-click any branch
3. Select Create pull request...
4. Sourcetree application crashes

Event View log:

Faulting application name: SourceTree.exe, version: 3.4.8.0, time stamp: 0x6215d589
Faulting module name: KERNELBASE.dll, version: 10.0.19041.1566, time stamp: 0x0833f2d4
Exception code: 0xe0434352
Fault offset: 0x0000000000034f69
Faulting process id: 0x119c
Faulting application start time: 0x01d8355c4cb912af
Faulting application path: C:\Users\mross\AppData\Local\SourceTree\app-3.4.8\SourceTree.exe
Faulting module path: C:\Windows\System32\KERNELBASE.dll
Report Id: ecdd6283-2d7d-4ab2-8323-97a9e6627642
Faulting package full name:
Faulting package-relative application ID: