Dear Users,
I ran Regcm4 within chinese domain and I got this error. Does anyone have solution to this?
Thank you.

urban net longwave radiation error: no convergence
 Critical =                      NaN  > 0.001 !
 -------------- FATAL CALLED ---------------
  Fatal in file: mod_clm_urban.F90 at line:     2614
 clm now stopping
 -------------------------------------------
 Abort called by computing node            6 at 2022-10-06 00:03:42.665 +0800
application called MPI_Abort(comm=0x84000002, 1) - process 6

Xie nanhong (Ph.D)

College of Atmospheric Sciences,Nanjing University

Nanjing of China