Unable to compute

[kikislater]

QGIS version: 3.10.0-A Coruña
Qt version: 5.13.2
GDAL version: 3.0.1
GEOS version: 3.7.2-CAPI-1.11.2 b55d2125
PROJ version: Rel. 6.2.1, November 1st, 2019
Processing algorithm…
Algorithm 'Overlap' starting…
Input parameters:
{ 'INPUT' : '/home/sylvain/SIG/footprint/Count_Overlap/footprint_polygon.shp', 'OUTPUT' : 'TEMPORARY_OUTPUT' }

Delete duplicate Geometries
Traceback (most recent call last):
File "/usr/share/qgis/python/plugins/processing/algs/qgis/DeleteDuplicateGeometries.py", line 73, in processAlgorithm
source.fields(), source.wkbType(), source.sourceCrs())
Exception: unknown

There were errors executing the algorithm.
There were errors executing the algorithm.
Execution failed after 0.03 seconds

Loading resulting layers
Algorithm 'Overlap' finished