License checkout failed - License Manager Error -4

When I open session on Matlab, it does not give error. While I am working, it gives error "License checkout failed. License manager error -4. Maximum number of users for Signal_Toolbox reached" and it dismiss me. I couldnot save my analysis. what is the reason for this error and what can I do?

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Asked:

on 9 Jan 2014

Answered:

on 9 Jan 2014

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