Import Server fails with error:”Can’t find even one field…

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Symptom
Import Server fails to load the file with the following error message: “Can’t find even one field that is mapped.”
Other terms
651900 2009 mdis
Solution
The issues is that the wrong delimiter is defined.
For example:
The source file has a “;” (semi-colon) for a delimiter but the port is set up as “|”. Please change the delimiter in the port to match the source file (or visa-versa) and the file will then be imported correctly via the Import Server.