Problem in Switch

[Break San]

Good day I am with problem in the switch does not work when using the skill and weapon switch to freeze. 
Could someone of the tips that can be. 
Some diss bug is, that in most private servers fouls.
 
If anyone knows how to solve and explain in Portuguese'll know grateful I am layman in English

 

[lakasmonk123]

please be specific

 

[Break San]

please be specific

When I use the switch to freeze does not work. 
Example: On a full pvp server, geralmenta using a skill with the full gun, in the middle of the skill weapon switch to freeze.

 

[lakasmonk123]

geralmenta? is this a custom item or skill or something custom o dont have a clue 

 

[Break San]

Here an example

 

[Break San]

Anyone know how arranges freezing in src?