Internal Server Error When Trying to Display Trigger Functions

pgAdming 3.0 . Application Mode Desktop

MacBook Pro High Sierra 10.13.4

Database server is Redhat Postgres is 10.4 and 9.5

When I click on any trigger function when trying to view one in the sql window, I get a message in the bottom right that says there's an internal server error. If I click on the details link I get another popup with no way to close it that says "The server encountered an internal error and was unable to complete your request. Either the server is overloaded or there is an error in the application." There is no one else on the 10.4 server except me and the log for the server didn't reflect any error message when my error occurred. I even made the error happen again and confirmed that the log didn't change.

Here is the contents of the pgAdmin log when the error occurred (I made sure I started with a new session and the log was blank):

2018-05-25 14:07:32,657: ERROR werkzeug: Error on request:
Traceback (most recent call last):
File "/Applications/pgAdmin 4.app/Contents/Resources/venv/lib/python/site-packages/werkzeug/serving.py", line 270, in run_wsgi
execute(self.server.app)
File "/Applications/pgAdmin 4.app/Contents/Resources/venv/lib/python/site-packages/werkzeug/serving.py", line 258, in execute
application_iter = app(environ, start_response)
File "/Applications/pgAdmin 4.app/Contents/Resources/venv/lib/python/site-packages/flask/app.py", line 1997, in __call__
return self.wsgi_app(environ, start_response)
File "/Applications/pgAdmin 4.app/Contents/Resources/venv/lib/python/site-packages/flask/app.py", line 1985, in wsgi_app
response = self.handle_exception(e)
File "/Applications/pgAdmin 4.app/Contents/Resources/venv/lib/python/site-packages/flask/app.py", line 1540, in handle_exception
reraise(exc_type, exc_value, tb)
File "/Applications/pgAdmin 4.app/Contents/Resources/venv/lib/python/site-packages/flask/app.py", line 1982, in wsgi_app
response = self.full_dispatch_request()
File "/Applications/pgAdmin 4.app/Contents/Resources/venv/lib/python/site-packages/flask/app.py", line 1614, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/Applications/pgAdmin 4.app/Contents/Resources/venv/lib/python/site-packages/flask/app.py", line 1517, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/Applications/pgAdmin 4.app/Contents/Resources/venv/lib/python/site-packages/flask/app.py", line 1612, in full_dispatch_request
rv = self.dispatch_request()
File "/Applications/pgAdmin 4.app/Contents/Resources/venv/lib/python/site-packages/flask/app.py", line 1598, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/Applications/pgAdmin 4.app/Contents/Resources/venv/lib/python/site-packages/flask/views.py", line 84, in view
return self.dispatch_request(*args, **kwargs)
File "/Applications/pgAdmin 4.app/Contents/Resources/web/pgadmin/browser/utils.py", line 254, in dispatch_request
return method(*args, **kwargs)
File "/Applications/pgAdmin 4.app/Contents/Resources/web/pgadmin/browser/server_groups/servers/databases/schemas/functions/__init__.py", line 345, in wrap
return f(*args, **kwargs)
File "/Applications/pgAdmin 4.app/Contents/Resources/web/pgadmin/browser/server_groups/servers/databases/schemas/functions/__init__.py", line 1053, in sql
) + '(' + res['rows'][0]['func_args'] + ')'
KeyError: 'nspname'

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