"he" : this language is not available on Google Translate API

[directory]

Error occurs when try to edit Translations:

Tools > Translations > Back Office Tools Translations > "israel flag" >

"Language : HE - Back-Office translations"

 

Error message: "he" : this language is not available on Google Translate API

 

if I ignore this message and try to edit text in fields, and click on 'update translations':

 

URL:

http://MYURL.com/presta/admin123/index.php?tab=AdminTranslations&submitTranslationsModules=1&token=cb754a2550365f3d76397aa4b95fb015

 

"Forbidden

 

You don't have permission to access /presta/admin123/index.php on this server.

Additionally, a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request."

 

 

any help ?