[Zope] getting error in export and import on zope2.9

[shivayogi kumbar]

I am trying to import file from zope2.9  that has been exported in xml
format from the same.I am getting error as follows.
"
Site Error

An error was encountered while publishing this resource.

Error Type: UnicodeDecodeError
Error Value: 'ascii' codec can't decode byte 0x83 in position 10:
ordinal not in range(128)"
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regards
Shiv



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regards
Shiv