FDM error while masking a numeric value from a seedlist file

Document ID : KB000092765
Last Modified Date : 04/05/2018
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When trying to mask a numeric value from a seedlist but after masking few values its failing with below error.

"cannot update numeric column <colname> with value <colValue> - please check your masking function and / or options are consistent with a numeric value"
Issue happened due to the incorrect/unexpected encoding of the seedlist file where it was encoded as UTF-8-BOM. 
To resolve this issue please open it in Notepad++ , change the encoding to just "UTF-8" and save the file. Now retry masking and it should not throw same error.