How do i fix "Run-time error "1004" Application-defined or object-defined error"

Hello everyone, my name is enrique and i have come to a problem while trying to modify a VBA to give me specific information. When i run the VBA it gives me the error - "run-time error "1004": Application-defined or object-defined error". How can i fix this issue. I am trying to develop a VBA that will give me all permutations possible, up to 3 variables. The original VBA that i have that works gives your permutations up to six variables. Ive gotten this far on the VBA, if anyone could help fix it or point me in the right direction would be great. Ive been reading on how to fix it but I still get the same error.
This is the VBA on working on

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The highlighted part is where it says the error is happening

code tags applied

BinCoeff = WorksheetFunction.Combin(n, k)
If n <= k ---> error 1004

For G3 = G2 + 1 To n - n....n - n = 0 but, assuming G2+1 is always >0, you need to Step -1 or something

Cost = Cost + Sheets(1).Cells(G4, 2)

There is no G4 Dim'd or used anywhere else in the code

G4 is suppose to represent the cost, at least thats my understanding. I found a VBA that works and creates permutations of 6 people. On sheet one in column "A" would be the names of people and column "B" would be the cost associated with these people. Ill post the original code so you could compare.

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when you fill column "A" with names and column "B" with price, it will create the permutations on sheet 2. My goal by modifying this, is so i could find the permutations for 2, 3, and 4, variables as opposed to 6 like it shows in the code listed above.