You created a For...Next loop, but did not include the To keyword in the first line. The first line of a For...Next loop must include the To keyword. The following demonstrates the correct structure of a For...Next loop.
For counter = start To end [Step step] [statements] [Exit For] [statements] Next
To correct this error
Make sure that the For...Next loop includes all the necessary parts.
For...Next Statement | For Each...Next Statement | Do...Loop Statement | Exit Statement | For...Next Statement | While...Wend Statement