Error after user post new topic

[khmeradd]

Yes, i use by default language English. which language should i set.
i never set language to this software and i don't know how to set up language to.
please tell me please.
thanks ...

[khmeradd]

Hi there, please help me
when user post new topic on my website it alert error message.
"Error while saving content: SyntaxError: JSON.parse: unexpected character at line 1 column 1 of...

[khmeradd]

Hi there, my website: http://powerofteam.net Error when user ponst new topic and alert message:
Error while saving content: SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the...