dropUniqueConstraint in Precondition throwing error

Liquibase Development
1

What liquibase version are you using? Also, is sqlserver running in case sensitive or insensitive mode?

Nathan

2

 
   
     
   
   
      Dropping CONSTRAINT Unique_Key.
   
   
 

 

I am using this change set in an application but i am faced with the following error.

 

at liquibase.Liquibase.update(Liquibase.java:113)
 at com.prosrm.system.dbpatch.PatchEngine.applyPatches(PatchEngine.java:132)
 … 5 more
Caused by: liquibase.exception.PreconditionErrorException: Precondition Error
 at liquibase.precondition.core.IndexExistsPrecondition.check(IndexExistsPrecondition.java:80)
 at liquibase.precondition.core.AndPrecondition.check(AndPrecondition.java:34)
 at liquibase.precondition.core.PreconditionContainer.check(PreconditionContainer.java:199)
 at liquibase.changelog.ChangeSet.execute(ChangeSet.java:249)

 

please help