PGFIO-F-253/unformatted read/unit=31/attempt to read non-existent record (direct access).
File name = ../input/wdcl.grd unformatted, direct access record = 2
In source file /disk/work1/cjy/wly/ssm3.0//src//ssmread.f, at line number 307
这个怎么解决啊,fortran好麻烦啊