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Forms 14c - Getting ORA-29275 error when manipulating specific characters

SFrixJul 1 2025

Context: Forms14c - Windows server - DB Oracle 19.18 AL32UTF8

Hi,

We are upgrading our forms from 12.2.1.4 to 14.1.2

We have a process creating CSV file with data export. As we have Chinese or Cyrillic characters we have to add the BOM characters (https://en.wikipedia.org/wiki/Byte_order_mark) at the beginning of the file otherwise Excel does not show correctly the characters when it opens CSV file.

The BOM characters are CHR(239), CHR(187) and CHR(191).

Adding them works fine in Forms12 but in Forms14 I get the ORA-29275 error ("partial multibyte character")

I reproduced the error with a simple module having a control block with 3 items (A,B,C) and a button that copies each character in an item:

I tried by setting NLS_LANG AL32UTF8 for the builder and the Forms server but still the same issue.

Do you have any clue to fix this issue ?

Thanks a lot in advance.

This post has been answered by SFrix on Jul 22 2025
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Added on Jul 1 2025
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