Hi,
Thanks for contacting us!
It seems that there are some other scripts used on your WordPress website (by theme or plugin) caused a conflict with Twitter plugin. That’s is why you are experiencing the specified language issue. Please complete the following steps in order to define the problem and solution:
1) Activate a standard WordPress theme for a while (Twenty Fourteen, Twenty Fifteen) and check if the problem remains.
2) Deactivate all plugins except Twitter plugin by BestWebSoft and also check if the problem is still remains. If it is not, activate other plugins one-by-one, meanwhile checking the described issues after each new plugin activation.
3) Reply here with information about results.
We are looking forward for your reply.
Sincerely,
Anton
BestWebSoft Support Team