It appears like inAreaArrayIndexes has had its behaviour changed between stable and dev/profiling, causing an error in antistasi. Unsure if it is intentional, but couldn't find any relevant patch notes in the dev changelogs.
Refs this bug in antistasi, which has some more background: https://github.com/official-antistasi-community/A3-Antistasi/issues/3488
14:45:24 Bad conversion: array 14:45:24 Error in expression <ng = _x; private _indexes = _rebMarkers inAreaArrayIndexes [getPosATL _x, 500, 5> 14:45:24 Error position: <inAreaArrayIndexes [getPosATL _x, 500, 5> 14:45:24 Error 0 elements provided, 3 expected 14:45:24 File x\A3A\addons\core\functions\Save\fn_saveLoop.sqf..., line 169
Code in context is here: https://github.com/official-antistasi-community/A3-Antistasi/blob/93a57b5f2acc928483afdab851e232b835848dde/A3A%2Faddons%2Fcore%2Ffunctions%2FSave%2Ffn_saveLoop.sqf#L170