Field name is a duplicate or invalid (Error 1712)
A field in the table already has that name, or else you used a space, or one of the characters ., ", /, \, [, ], :, |, <, >, +, =, ;, *, or ? in the field name.
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A field in the table already has that name, or else you used a space, or one of the characters ., ", /, \, [, ], :, |, <, >, +, =, ;, *, or ? in the field name.