ms access - Concatenating a control source yields #Type! error -


i have generated report based on query. have text box trying use concatenate 3 of values ease of readability. fields are: [creator], [type], [serial_num], , want output result like:

organization a, spreadsheet, copy 1

when set record source [creator], populates every record. however, when set record source to

=[creator] & ", " & [type] & ", " & [serial_num]

the final result every record #type!

what doing wrong here?

make sure name of textbox not creator, type or serial_num


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