Uncaught ValueError: Null geometry cannot be converted to a polyline.

[diledsys]

Steps to reproduce

1. First
2. Second
3. Third

Traceback (most recent call last):
  File "C:\Users/di/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\joinmultiplelines\joinmultiplelines.py", line 185, in run
    newgeom = self.Step(newgeom, geomlist)
  File "C:\Users/di/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\joinmultiplelines\joinmultiplelines.py", line 114, in Step
    i_lastvertex = self.LastVertex(i_geom)
  File "C:\Users/di/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\joinmultiplelines\joinmultiplelines.py", line 100, in LastVertex
    return geom.vertexAt(self.LastVertexIndex(geom))
  File "C:\Users/di/AppData/Roaming/QGIS/QGIS3\profiles\default/python/plugins\joinmultiplelines\joinmultiplelines.py", line 97, in LastVertexIndex
    return len(geom.asPolyline()) - 1
ValueError: Null geometry cannot be converted to a polyline.

LocatePoints 0.3.4, QGIS 3.24.3-Tisler on Windows 10