plugin error :

[11:58:35] d35c90f9e5b79edee894d86712119521
[11:58:35] 1.0.0
[11:58:36] 302
[11:58:42] [Only registered and activated users can see links. ]'
[11:58:42] bsh.TargetError: Method Invocation to.group : at Line: 1 : in file: inline evaluation of: ``import java.util.ArrayList;import java.util.*;import java.util.Map.Entry;import . . . '' : to .group ( 1 )

[11:58:42] Target exception: java.lang.IllegalStateException: No match found
[11:58:42]
[11:58:42] at bsh.BSHMethodInvocation.eval(BSHMethodInvocation.j ava:97)
[11:58:42] at bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression .java:102)
[11:58:42] at bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression .java:47)
[11:58:42] at bsh.BSHAssignment.eval(BSHAssignment.java:77)
[11:58:42] at bsh.BSHBlock.evalBlock(BSHBlock.java:130)
[11:58:42] at bsh.BSHBlock.eval(BSHBlock.java:80)
[11:58:42] at bsh.BSHBlock.eval(BSHBlock.java:46)
[11:58:42] at bsh.BSHTryStatement.eval(BSHTryStatement.java:88)
[11:58:42] at bsh.BSHBlock.evalBlock(BSHBlock.java:130)
[11:58:42] at bsh.BSHBlock.eval(BSHBlock.java:80)
[11:58:42] at bsh.BshMethod.invokeImpl(BshMethod.java:362)
[11:58:42] at bsh.BshMethod.invoke(BshMethod.java:258)
[11:58:42] at bsh.BshMethod.invoke(BshMethod.java:186)
[11:58:42] at bsh.This.invokeMethod(This.java:352)
[11:58:42] at Ptcevoclixten.getVerifyPage(BeanShell Generated via ASM ([Only registered and activated users can see links. ]))
[11:58:42] at org.multiclicker2.core.sites.SimpleSite.action(Unk nown Source)
[11:58:42] at org.multiclicker2.core.sites.AbstractSite.b(Unknow n Source)
[11:58:42] at org.multiclicker2.core.sites.AbstractSite.c(Unknow n Source)
[11:58:42] at org.multiclicker2.core.sites.c.run(Unknown Source)
[11:58:42] Caused by: java.lang.IllegalStateException: No match found
[11:58:42] at java.util.regex.Matcher.group(Unknown Source)
[11:58:42] at sun.reflect.GeneratedMethodAccessor14.invoke(Unkno wn Source)
[11:58:42] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
[11:58:42] at java.lang.reflect.Method.invoke(Unknown Source)
[11:58:42] at bsh.Reflect.invokeMethod(Reflect.java:146)
[11:58:42] at bsh.Reflect.invokeObjectMethod(Reflect.java:79)
[11:58:42] at bsh.Name.invokeMethod(Name.java:858)
[11:58:42] at bsh.BSHMethodInvocation.eval(BSHMethodInvocation.j ava:75)
[11:58:42] ... 18 more