my issue appears to be bad data in one of the fields in the postgres table. I commented out that field and it worked. Hard part is finding the field causing it. One by one commenting out, reloading. Found it finally.
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If you look the original issue is related with one specific field as well, i think we had it the same so try using ODBC Driver Unicode x64 for Postgre. It's only thing i know that can help you because this x64 driver does supports the character error.