Access Violation error-gwflow

[Saeed Golian]

Hi all, I have the following error while trying to run model with gwflow as the groundwater module:

forrtl: severe (157): Program Exception - access violation Image PC Routine Line Source swatplus-62-ifo-w 00007FF75C2BE6A8 GWFLOW_CANAL 90 gwflow_canal.f90 swatplus-62-ifo-w 00007FF75C5A0981 SD_CHANNEL_CONTRO 142 sd_channel_control3.f90 swatplus-62-ifo-w 00007FF75C2810FC COMMAND 393 command.f90 swatplus-62-ifo-w 00007FF75C603D1E TIME_CONTROL 250 time_control.f90 swatplus-62-ifo-w 00007FF75C4756A9 MAIN__ 150 main.f90 swatplus-62-ifo-w 00007FF75C6F27EE Unknown Unknown Unknown swatplus-62-ifo-w 00007FF75C6F2BD0 Unknown Unknown Unknown KERNEL32.DLL 00007FFB788F7374 Unknown Unknown Unknown ntdll.dll 00007FFB7A53CC91 Unknown Unknown Unknown

Retang Mokua

unread,

May 6, 2026, 10:54:04 AM

to SWAT+

SWAT+ Issue 

1. Primary Issue Location

• Component: QSWAT+, SWAT+ Editor
• Area of impact: Model RUN, model output

2. Software Versions

• GIS Interface: QSWAT+ 4.0.3
• SWAT+ Editor: 4.0.2
•  SWAT+ Revision: 62 (official)

3. Project Characteristics

• Watershed Details: 963ha, HRUs 73
• Modeling Aim: Running model using gwflow

4. Description of Issue

• The Problem: I am having a problem when running the model (See attachment) it says Programme exception -Access violation 

5. Supporting Data: TxtInOut files here
https://drive.google.com/drive/folders/1flSg_-5SsSiDJ6SnG10n0led0GhyFbQX?usp=sharing

Thanks for your help