Use the loadsheet, and manually enter the data. No sliders are used anymore.
EG: from Simbrief a samle flight from KMSY/KMIA is
ATC C/S N314SB KMSY/MSY KMIA/MIA CRZ SYS M79
25JUL2021 N314SB 1605/1625 1802/1810 GND DIST 641
A310-304 / CF6-80C2A2 STA 1805 AIR DIST 640
CTOT:.... G/C DIST 586
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WEIGHTS
-------
EST MAX ACTUAL
PAX 237 ......
CARGO 0.0 ......
PAYLOAD 24.7 ......
ZFW 111.9 114.0 ......
FUEL 14.1 19.8 ...... POSS EXTRA 5.7
TOW 125.7 131.3 LDG......
STAB TRIM ......
LAW 118.4 124.0 ......