Need help on VBA code

Meceka Tested the UDF that you received earlier from HansVogelaar here:

https://techcommunity.microsoft.com/t5/excel/need-help-with-copy-values-in-comma-seperated-data-into-another/m-p/3001593 

and it seems the the first line-feed in each of the Option strings is messing up things. Change the code to this:

Option Explicit

Function SelItems(rng1, rng2) As String
    Const sep = vbLf
    Dim a1() As String
    Dim a2() As String
    Dim i As Long
    Dim s As String
    a1 = Split(rng1, vbLf)
    a2 = Split(rng2, ",")
    For i = UBound(a1) - 5 To UBound(a1)
        If a1(i) = "True" Then
            s = s & sep & a2(i - 1)
            i = i + 1
        End If
    Next i
    If s <> "" Then
        SelItems = Mid(s, Len(sep) + 1)
    End If
End Function

and I believe it works as desired.

Alternatively, consider changing the set-up of your schedule as suggested to you by @Jan Karel Pieterse in this thread:

https://techcommunity.microsoft.com/t5/excel/how-to-copy-values-in-comma-seperated-data-into-another-column/m-p/3000765 

However, the Data, From Table wouldn't work for you since you are on a Mac. But there are other ways and than no VBA coding is needed. If you are on MS365 or Excel 2021 you could have a look at the attached file.