removing all branches corrupts a repository(?)

Add a layer to a brand new geogig repo
Delete master branch from "repository history"
Try add (or re-add) a layer to the repo will throw a python error

Plugin version: 1.0-20160720-342d01cc7f1f2b21a9abe90c346a836a31a1c2c7
Traceback (most recent call last):
  File "C:/Users/qgis/.qgis2/python/plugins\geogig\layeractions.py", line 170, in addLayer
    dlg = ImportDialog(config.iface.mainWindow(), layer = layer)
  File "C:/Users/qgis/.qgis2/python/plugins\geogig\gui\dialogs\importdialog.py", line 49, in __init__
    self.initGui()
  File "C:/Users/qgis/.qgis2/python/plugins\geogig\gui\dialogs\importdialog.py", line 77, in initGui
    self.branches = self.repo.branches() if self.repo is not None else repos[0].branches()
  File "C:/Users/qgis/.qgis2/python/plugins\geogig\geogigwebapi\repository.py", line 151, in branches
    resp = self._apicall("branch", {"list":True})
  File "C:/Users/qgis/.qgis2/python/plugins\geogig\geogigwebapi\repository.py", line 148, in _apicall
    return execute(lambda: self.__apicall(command, payload, transaction))
  File "C:/Users/qgis/.qgis2/python/plugins\geogig\gui\executor.py", line 69, in execute
    return func()
  File "C:/Users/qgis/.qgis2/python/plugins\geogig\geogigwebapi\repository.py", line 148, in <lambda>
    return execute(lambda: self.__apicall(command, payload, transaction))
  File "C:/Users/qgis/.qgis2/python/plugins\geogig\geogigwebapi\repository.py", line 138, in __apicall
    r.raise_for_status()
  File "C:\Users\qgis\.qgis2\python\plugins\geogig\ext-libs\requests-2.9.1-py2.7.egg\requests\models.py", line 840, in raise_for_status
    raise HTTPError(http_error_msg, response=self)
HTTPError: 500 Server Error: Internal Server Error for url: http://192.168.186.253:8182/repos/repos/branch?output_format=json&list=True

clicking on the repository name (in repositories list) will return

An error occurred while fetching repository data! See the logs for details.

that in the log corresponds to

An error occurred while fetching repository data! 500 Server Error: Internal Server Error for url: http://192.168.186.253:8182/repos/repos/ls-tree?path=HEAD&output_format=json&onlyTrees=True

then I have not been able to use again the repository.

planetfederal / qgis-geogiglight-plugin

removing all branches corrupts a repository(?) #22