Floating Invalid Error in GWFlow Simulation (SWAT+ rev. 61.0.1)
BONWABILE XOZA
Hello everyone,
I am running a SWAT+ model (rev. 61.0.1) with GWFlow enabled, but the simulation stops with the following error on the screenshort below.
Has anyone encountered this floating invalid error in GWFlow_SIMULATE before? Could it be due to zero/blank aquifer parameters, weather generator values, or HRU/subbasin setup?
Any guidance on what typically causes this error or how to debug it (e.g., which parameter files to check first) would be very helpful.
Thank you in advance for your assistance!
Best regards,
Bonwabile
Nancy B. Sammons
Bonwabile:
We have seen this error in the past with a few others that use the groundwater flow equations. I have included an executable from the developer that I would like for you to try. Let me know if you still get an error after using this application.
Thank you for your interest in our model!
Nancy
https://drive.google.com/file/d/1p8-9aIPiWeW0CmSt26VXjYS0H9LjvcHL/view?usp=sharing
You can either copy this file to your current txtinout directory and make your test simulation in this directory OR copy it to the path I have included below to make your simulation in the SWAT+ Editor.
The path should be similar to:
DRIVE:\SWAT\SWATPlus\SWATPlusEditor\resources\app.asar.unpacked\static\swat_exe
From: swat...@googlegroups.com <swat...@googlegroups.com>
On Behalf Of BONWABILE XOZA
Sent: Monday, September 15, 2025 1:39 PM
To: SWAT+ <swat...@googlegroups.com>
Subject: [SWAT+ User Group] Floating Invalid Error in GWFlow Simulation (SWAT+ rev. 61.0.1)
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