File Open Error

UTF16 Japanese text 143 MB

Exception description:
======================================
Access violation at address 008569DF in module 'PSPad.exe' (offset 2269DF). Read of address 00000008.
Exception class: EAccessViolation
Exception address: 008569DF
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Stack list, generated 2025/03/24 10:15:28
[008569DF] Vcl.Themes.TStyleHook.GetHandle + $3
[0088ED02] Vcl.Forms.TFormStyleHook.TMainMenuBarStyleHook.MenuExit + $4E
[0088ED0C] Vcl.Forms.TFormStyleHook.TMainMenuBarStyleHook.MenuExit + $58
[00891AD3] Vcl.Forms.TFormStyleHook.TMainMenuBarStyleHook.TrackMenuFromItem + $20F
[00891B04] Vcl.Forms.TFormStyleHook.TMainMenuBarStyleHook.TrackMenuFromItem + $240
[0088EDFE] Vcl.Forms.TFormStyleHook.TMainMenuBarStyleHook.ProcessMenuLoop + $22
[0088ECAC] Vcl.Forms.TFormStyleHook.TMainMenuBarStyleHook.MenuEnter + $2C
[008913B8] Vcl.Forms.TFormStyleHook.TMainMenuBarStyleHook.MouseDown + $24
[0089323E] Vcl.Forms.TFormStyleHook.NormalizePoint + $1E
[0089740A] Vcl.Forms.TFormStyleHook.WMNCLButtonDown + $F2
[00857069] Vcl.Themes.TStyleHook.WndProc + $139
[0085724A] Vcl.Themes.TMouseTrackControlStyleHook.WndProc + $A
[00897063] Vcl.Forms.TFormStyleHook.WndProc + $FB
[0085688E] Vcl.Themes.TStyleHook.HandleMessage + $66
[00891D3B] Vcl.Forms.TFormStyleHook.HandleMessage + $B
[00C25D74] Vcl.Styles.TStyleEngine.HandleMessage + $94
[0063C36D] System.@UStrAsg + $1D
[00853320] Vcl.Themes.TStyleManager.HandleMessage + $54
[008BE7E7] Vcl.Controls.TWinControl.DoHandleStyleMessage + $F
[008C0286] Vcl.Controls.TWinControl.WndProc + $9A
[0087D3CB] Vcl.Forms.TCustomForm.WndProc + $92F
[008BFD58] Vcl.Controls.TWinControl.MainWndProc + $2C
[007185A4] System.Classes.StdWndProc + $14
[008885F3] Vcl.Forms.TApplication.ProcessMessage + $F3
[00888636] Vcl.Forms.TApplication.HandleMessage + $A
[00888975] Vcl.Forms.TApplication.Run + $D1
[00E269FD] PSPad.PSPad (Line 120, "" + 56) + $7
-----------------------------------------------------------------------
Program : C:\Program Files (x86)\PSPad editor\PSPad.exe 5.5.1 (825)
System : Windows 11 Professional x64, Version: 10.0, Build: 65F4,
Processor: Intel, Intel(R) Core(TM) i7-7600U CPU @ 2.80GHz, 2900 MHz MMX
Display : 1920x1080 pixels, 32 bpp PPI: 144
Skin : Windows10 Office Dark2
-----------------------------------------------------------------------
Active Controls Hierarchy:
TPSSynEdit "FEditor1"
TfChildEdit "fEdit_E15424901"
-----------------------------------------------------------------------

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Description, what caused this exception is necessary