ERROR 4: failed in opening file : GDALOpen failed - 4 failed in opening file :

raster2pgsql -s 4236 -I -C -M C:UsersatrivediDesktop56kHeightdt0_E78_N17.dt0 -F -t 10x10 public.demelevation | psql -d abcd

gdal_translate -of PNG -outsize 10% 10% "PG:host=localhost port=5432 dbname='abcd' user='postgres' password='password' schema='public' table=demelevation where='filename='"56kHeightdt0_E78_N17.dt0"''" "C:somefile.png"