diff -u -r1.10 -r1.11
--- ReconstructedParticleImpl.cc	21 Sep 2006 06:10:42 -0000	1.10
+++ ReconstructedParticleImpl.cc	30 May 2008 14:04:51 -0000	1.11
@@ -160,7 +160,8 @@

   }
 
   void ReconstructedParticleImpl::addParticleID( ParticleID* pid ){

-    checkAccess("ReconstructedParticleImpl::addParticleID" );

+    // adding a PID should also be possible w/ read only data
+    //    checkAccess("ReconstructedParticleImpl::addParticleID" );

     _pid.push_back( pid ) ;
     // sort wrt. probability
     sort( _pid.begin() , _pid.end() , PIDSort()  ) ;