Issue reproduction from ACE, APS, and basically any other mod and mission script.

initPlayerLocal.sqf

private _action = "DefaultAction";
private _name = format ["ACE_Action_%1", _action];
private _actionsVar = player getVariable [_name, [-1, [-1, [], []], objNull]];

if (player != _actionsVar select 2) then {  // check if the unit is still valid, fixes respawn issues
    _actionsVar = [-1, [-1, [], []], objNull];
};

_actionsVar params ["_actionID", "_actionsArray"];
_actionsArray params ["_id", "_actionIDs", "_actions"];

_id = _id + 1;

_actionIDs pushBack _id;
_actions pushBack [{true}, {systemChat "You clicked!"}];

private _addAction = call compile format [
    "[
        '',
        {[{if (inputAction '%1' == 0) exitWith {}; {if (_this call (_x select 0)) then {_this call (_x select 1)}} forEach (((_this select 0) getVariable '%2') select 1 select 2)}, _this] call CBA_fnc_directCall},
        nil,
        -1,
        false,
        true,
        '%1',
        ""if (_this != ACE_player || {vehicle _this != _target}) exitWith {false}; _actions = (_this getVariable '%2') select 1 select 2; _count = count _actions; _index = 0; _return = false; while {_index < _count && {!_return}} do {_return = [_target, _this] call ((_actions select _index) select 0); _index = _index + 1}; _return""
    ]",
    _action,
    _name
];

diw_actionId_0 = player addAction _addAction;
player setVariable [_name, [diw_actionId_0, [_id, _actionIDs, _actions], player], false];
{
    missionNamespace setVariable [format ["diw_actionId_%1", _forEachIndex+1], player addAction [format ["%1 I am NOT from the 'Help Me' mod and I should not be removed", _x], "systemChat 'Hello there!'"]];
} forEach [
    "* HelpMe Options",
    "*",
    "*}",
    "*{",
    "**",
    "--",
    "----",
    " -",
    "- ",
    "[ ",
    "[ Y",
    "[Y",
    "[",
    "* - Spawned Unit:",
    "You Have U",
    "* - Delete Spawned",
    "* - Explode Spawned",
    ""
];