Concentrated issues

Here is the list of the lines that generated the most issues.

File Count Analysis
/Model/ChatChannelException.php:86
  •   Used Once Variables (In Scope)
  •   Undefined Classes
  •   Undefined Interfaces
  •   Unused Arguments
  •   Never Used Parameter
  •   Hidden Nullable
/Model/ChatMessageException.php:86
  •   Used Once Variables (In Scope)
  •   Undefined Classes
  •   Undefined Interfaces
  •   Unused Arguments
  •   Never Used Parameter
  •   Hidden Nullable