Error adding @ player or admin

[Licinio Chiavari]

Getting an error making unable to submit a post if using @

 

[Beeekonda]

 

[Thonys]

got this message when adin admin to the post

[[Template forums/front/topics/topic is throwing an error. This theme may be out of date. Run the support tool in the AdminCP to restore the default theme.]]

Edited May 10, 2019 by Thonys