# Class: com.pnfsoftware.jeb.core.units.UnitLockedException

A concurrency error raised when a thread is attempting to access a [unit](IUnit) that is locked by another thread.

## Constructor: UnitLockedException


## Constructor: UnitLockedException
- parameter: `message`, type: `java.lang.String`


## Constructor: UnitLockedException
- parameter: `cause`, type: `java.lang.Throwable`


## Constructor: UnitLockedException
- parameter: `message`, type: `java.lang.String`
- parameter: `cause`, type: `java.lang.Throwable`


