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Number of Files to Cancel - internal field
Target Version - It’s described in https://wordbee.atlassian.net/wiki/spaces/SIT/pages/517308447/Language+Versions#Target-Versions
Create language versions for items, which don't contain any translatable content. - This option is useful if the content with not translatable related items like images, lists etc., should increase for those fields language versions. By default non-translatable fields linked with content, do not get increased language version (after new content was translated)
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