Error al cargar shape al postgis

[Hectorcas85]

Ha ocurrido un error mientras se ejecutaba el código de Python:

db_manager.db_plugins.plugin.ConnectionError: server closed the connection unexpectedly This probably means the server terminated abnormally before or while processing the request.
Traceback (most recent call last):
File "C:/PROGRA1/QGIS31.4/apps/qgis-ltr/./python/plugins\db_manager\db_plugins\connector.py", line 86, in _execute
cursor.execute(sql)
psycopg2.OperationalError: server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "C:/PROGRA1/QGIS31.4/apps/qgis-ltr/./python/plugins\db_manager\dlg_import_vector.py", line 371, in accept
self.db.connector.createSpatialIndex((schema, table), geom)
File "C:/PROGRA1/QGIS31.4/apps/qgis-ltr/./python/plugins\db_manager\db_plugins\postgis\connector.py", line 970, in createSpatialIndex
self._execute_and_commit(sql)
File "C:/PROGRA1/QGIS31.4/apps/qgis-ltr/./python/plugins\db_manager\db_plugins\connector.py", line 100, in _execute_and_commit
self._execute(None, sql)
File "C:/PROGRA1/QGIS31.4/apps/qgis-ltr/./python/plugins\db_manager\db_plugins\connector.py", line 89, in _execute
raise ConnectionError(e)
db_manager.db_plugins.plugin.ConnectionError: server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.

Versión de Python: 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)]
Versión de QGIS: 3.4.13-Madeira Madeira, 64ad560274

Ruta de Python:
C:/PROGRA1/QGIS31.4/apps/qgis-ltr/./python
C:/Users/LENOVO/AppData/Roaming/QGIS/QGIS3\profiles\default/python
C:/Users/LENOVO/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins
C:/PROGRA1/QGIS31.4/apps/qgis-ltr/./python/plugins
C:\Program Files\Hexagon\ERDAS IMAGINE 2015\usr\lib\Win32Release\python
C:\Program Files\QGIS 3.4\bin\python37.zip
C:\PROGRA1\QGIS31.4\apps\Python37\DLLs
C:\PROGRA1\QGIS31.4\apps\Python37\lib
C:\Program Files\QGIS 3.4\bin
C:\PROGRA1\QGIS31.4\apps\Python37
C:\PROGRA1\QGIS31.4\apps\Python37\lib\site-packages
C:\PROGRA1\QGIS31.4\apps\Python37\lib\site-packages\win32
C:\PROGRA1\QGIS31.4\apps\Python37\lib\site-packages\win32\lib
C:\PROGRA1\QGIS31.4\apps\Python37\lib\site-packages\Pythonwin
C:/Users/LENOVO/AppData/Roaming/QGIS/QGIS3\profiles\default/python
C:/Users/LENOVO/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\qgis2web
C:\Users\LENOVO\AppData\Roaming\QGIS\QGIS3\profiles\default\python\plugins

[dersteppenwolf]

La conexión al servidor falló

Por favor reintentar