Hi, I'm facing problem in refinement. i have a pdb and it is showing the following error in the step of annealing.
-------------------------- Torsion Topology ------------------------------ ----- ERROR: A tree has too many chains. Please increase MAXCHN and re-run. %TORSION:TOPOLOGY error encountered: Fatal Topology Error (CNS is in mode: SET ABORT=NORMal END) ***************************************************** ABORT mode will terminate program execution. *****************************************************