Parsley language error: zh_TW is not available in the catalog

This bug has been there since caldera form is using Parsley.

Everything (WP, plugins, theme) is up-to-date.

Here is how it works:

– Let’s say I am selecting a language called zh_TW in WordPress
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– During the loading of the page, if you set a breakpoint in this line, the first loop will be ‘en’.
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– 2nd loop, it is ‘zh-tw’.
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– 3rd loop (weird!), it is ‘zh_TW’.
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– Since in the catalog array there is only zh-tw but no zh_TW, catalog cannot be found and an error is thrown.
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– Thrown error:
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The key here is that, Parsley is NOT WordPress Friendly. Parsley is using their own language naming system while WP is using another, so the language is not loaded.

Currently I am adding extra code in plugins/caldera-forms/classes/render/assets.php to solve this problem. But when CF is updated, my changes is overwritten.

This is a serious bug. All language with ‘_’ (underscore) will be affected.
Please fix this issue ASAP.

Thank you very much for your help.