Created attachment 190958 [details]
Backtrace of soffice crash when deleting a blank entry in AutoCorrect

This bug was filed from the crash reporting server and is br-bde09805-3baf-42ce-b98e-a179d979f861.
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1. Tools > AutoCorrect > Options > [Replace] Tab 
2. Found a blank entry some way down in the same row in both the [Replace] and [With] columns
3. Clicked [Delete]
4. (paraphrase) KDE Crash Handler reported soffice had closed suddenly and could not automatically report same as the crash handler lacked the necessary address.
5. Saved the backtrack file and attaching here.

Actual Results:
LO crash.

Expected Results:
LO to not crash.

Reproducible: Yes, in normal mode
1. Tools > AutoCorrect > Options > [Replace] Tab 
2. Found a blank entry some way down in the same row in both the [Replace] and [With] columns
3. Clicked [Delete]
Repeated Actual Results:    LO crash.
LO takes up to 3 minutes to open after crash.

Reproducible: No,  Not in safe mode. 
1. Tools > AutoCorrect > Options > [Replace] Tab 
2. No Blank entry is found in the same row of both the [Replace] and [With] columns

User Profile Reset: No

Attachment: 	Kcrash backtrace
File:	soffice-20231122-015033.kcrash

LibreOffice information:

Version: 7.6.2.1 (X86_64) / LibreOffice Community
Build ID: 56f7684011345957bbf33a7ee678afaf4d2ba333
CPU threads: 24; OS: Linux 6.5; UI render: default; VCL: kf5 (cairo+wayland)
Locale: en-US (en_US.UTF-8); UI: en-US
Calc: threaded


Platform information:

Operating System: Ubuntu Studio 23.10
KDE Plasma Version: 5.27.8
KDE Frameworks Version: 5.110.0
Qt Version: 5.15.10
Kernel Version: 6.5.0-10-lowlatency (64-bit)
Graphics Platform: Wayland
Processors: 24 × AMD Ryzen 9 7900X 12-Core Processor
Memory: 31.0 GiB of RAM
Graphics Processor: NV172
Manufacturer: MicroElectronics
Product Name: G905
System Version: 1.0