Cannot cut and paste in Excel

I created a worksheet which is used to upload information into a database that has various validations and database insert macros running in the background.
But when I attempt to Cut and Paste rows into my worksheet, I get an alert message box with the title "Microsoft Visual Basic" and then the message 'File not found'.
When I hit the “OK” button in the window another alert message box is opened saying "Microsoft Excel cannot paste the data". However when I close this message box the data is pasted into the worksheet.
Could it be that there is something wrong with my VBA code?
