Ambiguous name detected Worksheet_Change - excel

Question

I'm having a problem with a macro because it give me Ambiguous name detected Worksheet_Change . If the user enter a value on any cell under column B it will run automatically a macro and if the user enter a value on column F it will run automatically another macro but I do not know how to fix this error . Please the the code below
Private Sub Worksheet_Change(ByVal Target As Range)
If Not Intersect(Target, Columns("B")) Is Nothing Then
On Error GoTo Safe_Exit
Application.EnableEvents = False
Dim rng As Range
For Each rng In Intersect(Target, Columns("B"))
If rng.Row > 2 Then ' your sample code seemed to suggest that this should start on row 3 and higher
Call MyMacro(rng.Row)
End If
Next rng
End If
Safe_Exit:
Application.EnableEvents = True
End Sub
Sub MyMacro(rw As Long)
If Range("B" & rw) = "" Then
MsgBox "Ingrese El account Number"
Else
Range("J" & rw & ":K" & rw) = Range("J" & rw & ":K" & rw).Value
End If
End Sub
Private Sub Worksheet_Change(ByVal Target As Range)
If Not Intersect(Target, Columns("F")) Is Nothing Then
On Error GoTo Safe_Exit
Application.EnableEvents = False
Dim rng As Range
For Each rng In Intersect(Target, Columns("F"))
If rng.Row > 3 Then ' your sample code seemed to suggest that this should start on row 3 and higher
Call Foolish(rng.Row)
End If
Next rng
End If
Safe_Exit:
Application.EnableEvents = True
End Sub
Sub Foolish(rw As Long)
If Range("F" & rw) = "" Then
MsgBox "Ingrese El account Number"
Else
Range("G" & rw & ":H" & rw) = Range("G" & rw & ":H" & rw).Value
End If
End Sub

Answer 1

You have two Worksheet_change() subs happening in your sheet. Copy the contents of one of those subroutines and paste it inside the other one so there is only one worksheet_change event.
For example:
Private Sub Worksheet_Change(ByVal Target As Range)
If Not Intersect(Target, Columns("B")) Is Nothing Then
On Error GoTo Safe_Exit
Application.EnableEvents = False
Dim rng As Range
For Each rng In Intersect(Target, Columns("B"))
If rng.Row > 2 Then ' your sample code seemed to suggest that this should start on row 3 and higher
Call MyMacro(rng.Row)
End If
Next rng
End If
If Not Intersect(Target, Columns("F")) Is Nothing Then
On Error GoTo Safe_Exit
Application.EnableEvents = False
Dim rng As Range
For Each rng In Intersect(Target, Columns("F"))
If rng.Row > 3 Then ' your sample code seemed to suggest that this should start on row 3 and higher
Call Foolish(rng.Row)
End If
Next rng
End If
Safe_Exit:
Application.EnableEvents = True
End Sub
Sub MyMacro(rw As Long)
If Range("B" & rw) = "" Then
MsgBox "Ingrese El account Number"
Else
Range("J" & rw & ":K" & rw) = Range("J" & rw & ":K" & rw).Value
End If
End Sub