Pasting from Excel into Time and Expense

I am trying to streamline entry of Time and Expense for our Service engineers, however,I get the following error
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sheet attached
Time and Expense Entry sheet.xlsx (9.3 KB)
Really need to update the process, so any help would be greatly appreciated.

After looking at the attached excel files, I can immediately see the problem. You have some rogue data
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Dear @AVWebb,

I have checked the attached file and identified that ASM (Job Assembly) column value is missing. Could you please enter the value and try to upload.