Raster flood on raster people fails

[timlinux]

Problem

QGIS version	3.19.0-Master	QGIS code revision	a038a79997
Qt version	5.14.2
Python version	3.8.6
GDAL/OGR version	3.1.3
PROJ version	7.1.0
EPSG Registry database version	v9.8.12 (2020-06-19)
GEOS version	3.8.1-CAPI-1.13.3
SQLite version	3.33.0
PostgreSQL client version	12.5 (Ubuntu 12.5-0ubuntu0.20.10.1)
SpatiaLite version	5.0.0
QWT version	6.1.4
QScintilla2 version	2.11.2
OS version	Pop!_OS 20.10

Problem
The following problem(s) were encountered whilst running the analysis.

QgsProcessingException
Suggestion
You can try the following to resolve the issue:

Check that you have the latest version of InaSAFE installed - you may have encountered a bug that is fixed in a subsequent release.
Check the InaSAFE documentation to see if you are trying to do something unsupported.
Report the problem using the issue tracker at https://github.com/inasafe/inasafe/issues. Reporting an issue requires that you first create a free account at http://github.com. When you report the issue, please copy and paste the complete contents of this panel into the issue to ensure the best possible chance of getting your issue resolved.
Try contacting one of the InaSAFE development team by sending an email to info@inasafe.org. Please ensure that you copy and paste the complete contents of this panel into the email.
Details
These additional details were reported when the problem occurred.

GEOS geoprocessing error: intersection failed.
Diagnostics

In file "/home/timlinux/.local/share/QGIS/QGIS3/profiles/InaSAFE Develop/python/plugins/inasafe/safe/impact_function/impact_function.py", line 1449, in run self._run()
In file "/home/timlinux/.local/share/QGIS/QGIS3/profiles/InaSAFE Develop/python/plugins/inasafe/safe/utilities/profiling.py", line 126, in with_profiling ret = fn(*args, **kwargs)
In file "/home/timlinux/.local/share/QGIS/QGIS3/profiles/InaSAFE Develop/python/plugins/inasafe/safe/impact_function/impact_function.py", line 1653, in _run self.hazard_preparation()
In file "/home/timlinux/.local/share/QGIS/QGIS3/profiles/InaSAFE Develop/python/plugins/inasafe/safe/utilities/profiling.py", line 126, in with_profiling ret = fn(*args, **kwargs)
In file "/home/timlinux/.local/share/QGIS/QGIS3/profiles/InaSAFE Develop/python/plugins/inasafe/safe/impact_function/impact_function.py", line 2179, in hazard_preparation self.hazard = clip(self.hazard, self._analysis_impacted)
In file "/home/timlinux/.local/share/QGIS/QGIS3/profiles/InaSAFE Develop/python/plugins/inasafe/safe/utilities/profiling.py", line 126, in with_profiling ret = fn(*args, **kwargs)
In file "/home/timlinux/.local/share/QGIS/QGIS3/profiles/InaSAFE Develop/python/plugins/inasafe/safe/gis/vector/clip.py", line 53, in clip result = processing.run('native:clip', parameters, context=context)
In file "/home/timlinux/dev/cpp/QGIS-Debug-Build/output/python/plugins/processing/tools/general.py", line 108, in run return Processing.runAlgorithm(algOrName, parameters, onFinish, feedback, context)
In file "/home/timlinux/dev/cpp/QGIS-Debug-Build/output/python/plugins/processing/core/Processing.py", line 174, in runAlgorithm ret, results = execute(alg, parameters, context, feedback, catch_exceptions=False)
In file "/home/timlinux/dev/cpp/QGIS-Debug-Build/output/python/plugins/processing/gui/AlgorithmExecutor.py", line 71, in execute results, ok = alg.run(parameters, context, feedback, {}, False)

[lucernae]

I used the test layers and can't seem to replicate this, but I found entirely different issues #5092