Traceback (most recent call last):
  File "/usr/lib64/grass84/gui/wxpython/psmap/dialogs.py",
line 1865, in OnVector

topoInfo = grass.vector_info_topo(map=vmap)
  File
"/usr/lib64/grass84/etc/python/grass/script/vector.py", line
185, in vector_info_topo

s = read_command("v.info", flags="t", layer=layer, map=map,
env=env)
  File "/usr/lib64/grass84/etc/python/grass/script/core.py",
line 533, in read_command

return handle_errors(returncode, stdout, args, kwargs)
  File "/usr/lib64/grass84/etc/python/grass/script/core.py",
line 345, in handle_errors

raise CalledModuleError(module=module, code=code,
returncode=returncode)
grass.exceptions
.
CalledModuleError
:
Module run `v.info -t layer=1 map=s` ended with an error.
The subprocess ended with a non-zero return code: 1. See
errors above the traceback or in the error output.

GRASS_INFO_ERROR(17890,1): Vector map <s> not found
GRASS_INFO_END(17890,1)

GRASS_INFO_ERROR(17891,1): Vector map <st> not found
GRASS_INFO_END(17891,1)

GRASS_INFO_ERROR(17892,1): Vector map <str> not found
GRASS_INFO_END(17892,1)

GRASS_INFO_ERROR(17893,1): Vector map <stre> not found
GRASS_INFO_END(17893,1)

GRASS_INFO_ERROR(17894,1): Vector map <strea> not found
GRASS_INFO_END(17894,1)

GRASS_INFO_ERROR(17895,1): Vector map <stream> not found
GRASS_INFO_END(17895,1)