Save Error

[AJgaming311]

[Window Title]
Error

[Main Instruction]
An internal error occured:

[Content]
referencing a nonexistant file
Please save your work (use 'save as' to so you don't overwrite things)
and restart Magic Set Editor.

You should leave a bug report on https://github.com/twanvl/MagicSetEditor2/issues/
Press Ctrl+C to copy this message to the clipboard.

Call stack:
[00] 00007FF6092A5567
[01] 00007FF6092A9784
[02] 00007FF6092A9C80
[03] 00007FF609107493
[04] 00007FF6090EBC8C
[05] 00007FF609166AA9
[06] 00007FF6092AE3C2
[07] 00007FF6092AC9CC
[08] 00007FF609206E17
[09] 00007FF6092453EC
[10] 00007FF6094912B4
[11] 00007FF6094BFFB4
[12] 00007FF6094C11E3
[13] 00007FF6094BFEB8
[14] 00007FF60932357E
[15] 00007FF6094BFF0C
[16] 00007FF6094C0D3A
[17] 00007FF6093C9FE9
[18] 00007FF6093D19E2
[19] 00007FF6092FF296
[20] 00007FF6093CED6A

[OK]

[halian]

This repo hasn't received any commits in three years; try haganbmj's fork.