Error when upgrade new version

[resolvecomputing]

I have tried update new version, but after I updated it's have some problems in attachment file.
- Don't show page to page input
- groupModel placeholder show Undefined and when don't have data also.

[paramvir]

Including localization file is mandatory since v5.2

If you are using non - english language, please refer to the English localization file and copy its structure & strings to your locale file.

[resolvecomputing]

It's woked,thanks!