Description:
Create a table. Define range. Use "SORT..." and sort the range after 5 criteria and save the document and close it.
Open the document againg. Data. Select Range. Then SORT... and it shows only the first 3 criteria from the last 5 used before closing the document.

Steps to Reproduce:
1. Open a document with many columns. Use Data - Select Range. Than Sort... and choose sorting by 5 criteria. Sort the lines, save and close the document.
2. Open again the document. Data - Select Range. Than Sort... 
3. This is the place where the problem apear. It sould save all the 5 criteria, it save only first 3.

Actual Results:
After step 3 it is a Sort... with 3 criteria

Expected Results:
After step 3 it should be a Sort... with 5 criteria


Reproducible: Always


User Profile Reset: Yes



Additional Info:
Libre Office Writer lose information about many other criteria saved on another ocasions. And have a hardcoded value of 3.

I am using Version: 6.1.1.0.0+
Build ID: 5a56b72413d5f555c854e36d3bd2fd50ec21644c
CPU threads: 4; OS: Linux 4.15; UI render: default; VCL: gtk2; 
TinderBox: Linux-rpm_deb-x86_64@70-TDF, Branch:libreoffice-6-1, Time: 2018-08-15_02:45:13
Locale: ro-RO (ro_RO.UTF-8); Calc: group threaded

But the version is not relevant. It's the same thing with older versions.